| nkeynes@23 | 1 | /**
|
| nkeynes@384 | 2 | * $Id: sh4core.c,v 1.46 2007-09-16 07:01:07 nkeynes Exp $
|
| nkeynes@23 | 3 | *
|
| nkeynes@23 | 4 | * SH4 emulation core, and parent module for all the SH4 peripheral
|
| nkeynes@23 | 5 | * modules.
|
| nkeynes@23 | 6 | *
|
| nkeynes@23 | 7 | * Copyright (c) 2005 Nathan Keynes.
|
| nkeynes@23 | 8 | *
|
| nkeynes@23 | 9 | * This program is free software; you can redistribute it and/or modify
|
| nkeynes@23 | 10 | * it under the terms of the GNU General Public License as published by
|
| nkeynes@23 | 11 | * the Free Software Foundation; either version 2 of the License, or
|
| nkeynes@23 | 12 | * (at your option) any later version.
|
| nkeynes@23 | 13 | *
|
| nkeynes@23 | 14 | * This program is distributed in the hope that it will be useful,
|
| nkeynes@23 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| nkeynes@23 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| nkeynes@23 | 17 | * GNU General Public License for more details.
|
| nkeynes@23 | 18 | */
|
| nkeynes@23 | 19 |
|
| nkeynes@35 | 20 | #define MODULE sh4_module
|
| nkeynes@1 | 21 | #include <math.h>
|
| nkeynes@1 | 22 | #include "dream.h"
|
| nkeynes@84 | 23 | #include "sh4/sh4core.h"
|
| nkeynes@84 | 24 | #include "sh4/sh4mmio.h"
|
| nkeynes@84 | 25 | #include "sh4/intc.h"
|
| nkeynes@1 | 26 | #include "mem.h"
|
| nkeynes@23 | 27 | #include "clock.h"
|
| nkeynes@102 | 28 | #include "syscall.h"
|
| nkeynes@1 | 29 |
|
| nkeynes@157 | 30 | #define SH4_CALLTRACE 1
|
| nkeynes@157 | 31 |
|
| nkeynes@123 | 32 | #define MAX_INT 0x7FFFFFFF
|
| nkeynes@123 | 33 | #define MIN_INT 0x80000000
|
| nkeynes@123 | 34 | #define MAX_INTF 2147483647.0
|
| nkeynes@123 | 35 | #define MIN_INTF -2147483648.0
|
| nkeynes@123 | 36 |
|
| nkeynes@246 | 37 | #define EXV_EXCEPTION 0x100 /* General exception vector */
|
| nkeynes@246 | 38 | #define EXV_TLBMISS 0x400 /* TLB-miss exception vector */
|
| nkeynes@246 | 39 | #define EXV_INTERRUPT 0x600 /* External interrupt vector */
|
| nkeynes@27 | 40 |
|
| nkeynes@23 | 41 | /********************** SH4 Module Definition ****************************/
|
| nkeynes@23 | 42 |
|
| nkeynes@30 | 43 | uint32_t sh4_run_slice( uint32_t );
|
| nkeynes@16 | 44 |
|
| nkeynes@235 | 45 | static uint16_t *sh4_icache = NULL;
|
| nkeynes@235 | 46 | static uint32_t sh4_icache_addr = 0;
|
| nkeynes@43 | 47 |
|
| nkeynes@30 | 48 | uint32_t sh4_run_slice( uint32_t nanosecs )
|
| nkeynes@1 | 49 | {
|
| nkeynes@23 | 50 | int i;
|
| nkeynes@265 | 51 | sh4r.slice_cycle = 0;
|
| nkeynes@23 | 52 |
|
| nkeynes@27 | 53 | if( sh4r.sh4_state != SH4_STATE_RUNNING ) {
|
| nkeynes@265 | 54 | if( sh4r.event_pending < nanosecs ) {
|
| nkeynes@265 | 55 | sh4r.sh4_state = SH4_STATE_RUNNING;
|
| nkeynes@265 | 56 | sh4r.slice_cycle = sh4r.event_pending;
|
| nkeynes@265 | 57 | }
|
| nkeynes@23 | 58 | }
|
| nkeynes@27 | 59 |
|
| nkeynes@235 | 60 | if( sh4_breakpoint_count == 0 ) {
|
| nkeynes@265 | 61 | for( ; sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
|
| nkeynes@265 | 62 | if( SH4_EVENT_PENDING() ) {
|
| nkeynes@265 | 63 | if( sh4r.event_types & PENDING_EVENT ) {
|
| nkeynes@265 | 64 | event_execute();
|
| nkeynes@265 | 65 | }
|
| nkeynes@265 | 66 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
|
| nkeynes@265 | 67 | if( sh4r.event_types & PENDING_IRQ ) {
|
| nkeynes@265 | 68 | sh4_accept_interrupt();
|
| nkeynes@265 | 69 | }
|
| nkeynes@265 | 70 | }
|
| nkeynes@235 | 71 | if( !sh4_execute_instruction() ) {
|
| nkeynes@43 | 72 | break;
|
| nkeynes@43 | 73 | }
|
| nkeynes@43 | 74 | }
|
| nkeynes@235 | 75 | } else {
|
| nkeynes@265 | 76 | for( ;sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
|
| nkeynes@265 | 77 | if( SH4_EVENT_PENDING() ) {
|
| nkeynes@265 | 78 | if( sh4r.event_types & PENDING_EVENT ) {
|
| nkeynes@265 | 79 | event_execute();
|
| nkeynes@265 | 80 | }
|
| nkeynes@265 | 81 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
|
| nkeynes@265 | 82 | if( sh4r.event_types & PENDING_IRQ ) {
|
| nkeynes@265 | 83 | sh4_accept_interrupt();
|
| nkeynes@265 | 84 | }
|
| nkeynes@265 | 85 | }
|
| nkeynes@265 | 86 |
|
| nkeynes@235 | 87 | if( !sh4_execute_instruction() )
|
| nkeynes@235 | 88 | break;
|
| nkeynes@235 | 89 | #ifdef ENABLE_DEBUG_MODE
|
| nkeynes@235 | 90 | for( i=0; i<sh4_breakpoint_count; i++ ) {
|
| nkeynes@235 | 91 | if( sh4_breakpoints[i].address == sh4r.pc ) {
|
| nkeynes@235 | 92 | break;
|
| nkeynes@235 | 93 | }
|
| nkeynes@235 | 94 | }
|
| nkeynes@235 | 95 | if( i != sh4_breakpoint_count ) {
|
| nkeynes@235 | 96 | dreamcast_stop();
|
| nkeynes@235 | 97 | if( sh4_breakpoints[i].type == BREAK_ONESHOT )
|
| nkeynes@235 | 98 | sh4_clear_breakpoint( sh4r.pc, BREAK_ONESHOT );
|
| nkeynes@235 | 99 | break;
|
| nkeynes@235 | 100 | }
|
| nkeynes@235 | 101 | #endif
|
| nkeynes@43 | 102 | }
|
| nkeynes@27 | 103 | }
|
| nkeynes@30 | 104 |
|
| nkeynes@30 | 105 | /* If we aborted early, but the cpu is still technically running,
|
| nkeynes@30 | 106 | * we're doing a hard abort - cut the timeslice back to what we
|
| nkeynes@30 | 107 | * actually executed
|
| nkeynes@30 | 108 | */
|
| nkeynes@53 | 109 | if( sh4r.slice_cycle != nanosecs && sh4r.sh4_state == SH4_STATE_RUNNING ) {
|
| nkeynes@53 | 110 | nanosecs = sh4r.slice_cycle;
|
| nkeynes@27 | 111 | }
|
| nkeynes@27 | 112 | if( sh4r.sh4_state != SH4_STATE_STANDBY ) {
|
| nkeynes@30 | 113 | TMU_run_slice( nanosecs );
|
| nkeynes@30 | 114 | SCIF_run_slice( nanosecs );
|
| nkeynes@27 | 115 | }
|
| nkeynes@30 | 116 | return nanosecs;
|
| nkeynes@1 | 117 | }
|
| nkeynes@1 | 118 |
|
| nkeynes@23 | 119 | /********************** SH4 emulation core ****************************/
|
| nkeynes@23 | 120 |
|
| nkeynes@23 | 121 | void sh4_set_pc( int pc )
|
| nkeynes@23 | 122 | {
|
| nkeynes@23 | 123 | sh4r.pc = pc;
|
| nkeynes@23 | 124 | sh4r.new_pc = pc+2;
|
| nkeynes@23 | 125 | }
|
| nkeynes@23 | 126 |
|
| nkeynes@246 | 127 | #define UNDEF(ir) return sh4_raise_slot_exception(EXC_ILLEGAL, EXC_SLOT_ILLEGAL)
|
| nkeynes@27 | 128 | #define UNIMP(ir) do{ ERROR( "Halted on unimplemented instruction at %08x, opcode = %04x", sh4r.pc, ir ); dreamcast_stop(); return FALSE; }while(0)
|
| nkeynes@1 | 129 |
|
| nkeynes@157 | 130 | #if(SH4_CALLTRACE == 1)
|
| nkeynes@157 | 131 | #define MAX_CALLSTACK 32
|
| nkeynes@157 | 132 | static struct call_stack {
|
| nkeynes@157 | 133 | sh4addr_t call_addr;
|
| nkeynes@157 | 134 | sh4addr_t target_addr;
|
| nkeynes@157 | 135 | sh4addr_t stack_pointer;
|
| nkeynes@157 | 136 | } call_stack[MAX_CALLSTACK];
|
| nkeynes@157 | 137 |
|
| nkeynes@157 | 138 | static int call_stack_depth = 0;
|
| nkeynes@157 | 139 | int sh4_call_trace_on = 0;
|
| nkeynes@157 | 140 |
|
| nkeynes@157 | 141 | static inline trace_call( sh4addr_t source, sh4addr_t dest )
|
| nkeynes@157 | 142 | {
|
| nkeynes@157 | 143 | if( call_stack_depth < MAX_CALLSTACK ) {
|
| nkeynes@157 | 144 | call_stack[call_stack_depth].call_addr = source;
|
| nkeynes@157 | 145 | call_stack[call_stack_depth].target_addr = dest;
|
| nkeynes@157 | 146 | call_stack[call_stack_depth].stack_pointer = sh4r.r[15];
|
| nkeynes@157 | 147 | }
|
| nkeynes@157 | 148 | call_stack_depth++;
|
| nkeynes@157 | 149 | }
|
| nkeynes@157 | 150 |
|
| nkeynes@157 | 151 | static inline trace_return( sh4addr_t source, sh4addr_t dest )
|
| nkeynes@157 | 152 | {
|
| nkeynes@157 | 153 | if( call_stack_depth > 0 ) {
|
| nkeynes@157 | 154 | call_stack_depth--;
|
| nkeynes@157 | 155 | }
|
| nkeynes@157 | 156 | }
|
| nkeynes@157 | 157 |
|
| nkeynes@157 | 158 | void fprint_stack_trace( FILE *f )
|
| nkeynes@157 | 159 | {
|
| nkeynes@157 | 160 | int i = call_stack_depth -1;
|
| nkeynes@157 | 161 | if( i >= MAX_CALLSTACK )
|
| nkeynes@157 | 162 | i = MAX_CALLSTACK - 1;
|
| nkeynes@157 | 163 | for( ; i >= 0; i-- ) {
|
| nkeynes@157 | 164 | fprintf( f, "%d. Call from %08X => %08X, SP=%08X\n",
|
| nkeynes@157 | 165 | (call_stack_depth - i), call_stack[i].call_addr,
|
| nkeynes@157 | 166 | call_stack[i].target_addr, call_stack[i].stack_pointer );
|
| nkeynes@157 | 167 | }
|
| nkeynes@157 | 168 | }
|
| nkeynes@157 | 169 |
|
| nkeynes@157 | 170 | #define TRACE_CALL( source, dest ) trace_call(source, dest)
|
| nkeynes@157 | 171 | #define TRACE_RETURN( source, dest ) trace_return(source, dest)
|
| nkeynes@157 | 172 | #else
|
| nkeynes@157 | 173 | #define TRACE_CALL( dest, rts )
|
| nkeynes@157 | 174 | #define TRACE_RETURN( source, dest )
|
| nkeynes@157 | 175 | #endif
|
| nkeynes@157 | 176 |
|
| nkeynes@246 | 177 | #define RAISE( x, v ) do{ \
|
| nkeynes@1 | 178 | if( sh4r.vbr == 0 ) { \
|
| nkeynes@1 | 179 | ERROR( "%08X: VBR not initialized while raising exception %03X, halting", sh4r.pc, x ); \
|
| nkeynes@104 | 180 | dreamcast_stop(); return FALSE; \
|
| nkeynes@1 | 181 | } else { \
|
| nkeynes@246 | 182 | sh4r.spc = sh4r.pc; \
|
| nkeynes@1 | 183 | sh4r.ssr = sh4_read_sr(); \
|
| nkeynes@1 | 184 | sh4r.sgr = sh4r.r[15]; \
|
| nkeynes@1 | 185 | MMIO_WRITE(MMU,EXPEVT,x); \
|
| nkeynes@1 | 186 | sh4r.pc = sh4r.vbr + v; \
|
| nkeynes@1 | 187 | sh4r.new_pc = sh4r.pc + 2; \
|
| nkeynes@374 | 188 | sh4_write_sr( sh4r.ssr |SR_MD|SR_BL|SR_RB ); \
|
| nkeynes@246 | 189 | if( sh4r.in_delay_slot ) { \
|
| nkeynes@246 | 190 | sh4r.in_delay_slot = 0; \
|
| nkeynes@246 | 191 | sh4r.spc -= 2; \
|
| nkeynes@246 | 192 | } \
|
| nkeynes@1 | 193 | } \
|
| nkeynes@27 | 194 | return TRUE; } while(0)
|
| nkeynes@229 | 195 |
|
| nkeynes@10 | 196 | #define MEM_READ_BYTE( addr ) sh4_read_byte(addr)
|
| nkeynes@10 | 197 | #define MEM_READ_WORD( addr ) sh4_read_word(addr)
|
| nkeynes@10 | 198 | #define MEM_READ_LONG( addr ) sh4_read_long(addr)
|
| nkeynes@10 | 199 | #define MEM_WRITE_BYTE( addr, val ) sh4_write_byte(addr, val)
|
| nkeynes@10 | 200 | #define MEM_WRITE_WORD( addr, val ) sh4_write_word(addr, val)
|
| nkeynes@10 | 201 | #define MEM_WRITE_LONG( addr, val ) sh4_write_long(addr, val)
|
| nkeynes@1 | 202 |
|
| nkeynes@1 | 203 | #define FP_WIDTH (IS_FPU_DOUBLESIZE() ? 8 : 4)
|
| nkeynes@1 | 204 |
|
| nkeynes@124 | 205 | #define MEM_FP_READ( addr, reg ) sh4_read_float( addr, reg );
|
| nkeynes@124 | 206 | #define MEM_FP_WRITE( addr, reg ) sh4_write_float( addr, reg );
|
| nkeynes@84 | 207 |
|
| nkeynes@246 | 208 | #define CHECKPRIV() if( !IS_SH4_PRIVMODE() ) return sh4_raise_slot_exception( EXC_ILLEGAL, EXC_SLOT_ILLEGAL )
|
| nkeynes@367 | 209 | #define CHECKRALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
|
| nkeynes@367 | 210 | #define CHECKRALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
|
| nkeynes@367 | 211 | #define CHECKWALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
|
| nkeynes@367 | 212 | #define CHECKWALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
|
| nkeynes@208 | 213 |
|
| nkeynes@367 | 214 | #define CHECKFPUEN() if( !IS_FPU_ENABLED() ) { if( ir == 0xFFFD ) { UNDEF(ir); } else { return sh4_raise_slot_exception( EXC_FPU_DISABLED, EXC_SLOT_FPU_DISABLED ); } }
|
| nkeynes@84 | 215 | #define CHECKDEST(p) if( (p) == 0 ) { ERROR( "%08X: Branch/jump to NULL, CPU halted", sh4r.pc ); dreamcast_stop(); return FALSE; }
|
| nkeynes@246 | 216 | #define CHECKSLOTILLEGAL() if(sh4r.in_delay_slot) return sh4_raise_exception(EXC_SLOT_ILLEGAL)
|
| nkeynes@1 | 217 |
|
| nkeynes@1 | 218 | static void sh4_switch_banks( )
|
| nkeynes@1 | 219 | {
|
| nkeynes@1 | 220 | uint32_t tmp[8];
|
| nkeynes@1 | 221 |
|
| nkeynes@1 | 222 | memcpy( tmp, sh4r.r, sizeof(uint32_t)*8 );
|
| nkeynes@1 | 223 | memcpy( sh4r.r, sh4r.r_bank, sizeof(uint32_t)*8 );
|
| nkeynes@1 | 224 | memcpy( sh4r.r_bank, tmp, sizeof(uint32_t)*8 );
|
| nkeynes@1 | 225 | }
|
| nkeynes@1 | 226 |
|
| nkeynes@374 | 227 | void sh4_write_sr( uint32_t newval )
|
| nkeynes@1 | 228 | {
|
| nkeynes@1 | 229 | if( (newval ^ sh4r.sr) & SR_RB )
|
| nkeynes@1 | 230 | sh4_switch_banks();
|
| nkeynes@1 | 231 | sh4r.sr = newval;
|
| nkeynes@1 | 232 | sh4r.t = (newval&SR_T) ? 1 : 0;
|
| nkeynes@1 | 233 | sh4r.s = (newval&SR_S) ? 1 : 0;
|
| nkeynes@1 | 234 | sh4r.m = (newval&SR_M) ? 1 : 0;
|
| nkeynes@1 | 235 | sh4r.q = (newval&SR_Q) ? 1 : 0;
|
| nkeynes@1 | 236 | intc_mask_changed();
|
| nkeynes@1 | 237 | }
|
| nkeynes@1 | 238 |
|
| nkeynes@124 | 239 | static void sh4_write_float( uint32_t addr, int reg )
|
| nkeynes@124 | 240 | {
|
| nkeynes@124 | 241 | if( IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@124 | 242 | if( reg & 1 ) {
|
| nkeynes@124 | 243 | sh4_write_long( addr, *((uint32_t *)&XF((reg)&0x0E)) );
|
| nkeynes@124 | 244 | sh4_write_long( addr+4, *((uint32_t *)&XF(reg)) );
|
| nkeynes@124 | 245 | } else {
|
| nkeynes@124 | 246 | sh4_write_long( addr, *((uint32_t *)&FR(reg)) );
|
| nkeynes@124 | 247 | sh4_write_long( addr+4, *((uint32_t *)&FR((reg)|0x01)) );
|
| nkeynes@124 | 248 | }
|
| nkeynes@124 | 249 | } else {
|
| nkeynes@124 | 250 | sh4_write_long( addr, *((uint32_t *)&FR((reg))) );
|
| nkeynes@124 | 251 | }
|
| nkeynes@124 | 252 | }
|
| nkeynes@124 | 253 |
|
| nkeynes@124 | 254 | static void sh4_read_float( uint32_t addr, int reg )
|
| nkeynes@124 | 255 | {
|
| nkeynes@124 | 256 | if( IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@124 | 257 | if( reg & 1 ) {
|
| nkeynes@124 | 258 | *((uint32_t *)&XF((reg) & 0x0E)) = sh4_read_long(addr);
|
| nkeynes@124 | 259 | *((uint32_t *)&XF(reg)) = sh4_read_long(addr+4);
|
| nkeynes@124 | 260 | } else {
|
| nkeynes@124 | 261 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
|
| nkeynes@124 | 262 | *((uint32_t *)&FR((reg) | 0x01)) = sh4_read_long(addr+4);
|
| nkeynes@124 | 263 | }
|
| nkeynes@124 | 264 | } else {
|
| nkeynes@124 | 265 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
|
| nkeynes@124 | 266 | }
|
| nkeynes@124 | 267 | }
|
| nkeynes@124 | 268 |
|
| nkeynes@374 | 269 | uint32_t sh4_read_sr( void )
|
| nkeynes@1 | 270 | {
|
| nkeynes@1 | 271 | /* synchronize sh4r.sr with the various bitflags */
|
| nkeynes@1 | 272 | sh4r.sr &= SR_MQSTMASK;
|
| nkeynes@1 | 273 | if( sh4r.t ) sh4r.sr |= SR_T;
|
| nkeynes@1 | 274 | if( sh4r.s ) sh4r.sr |= SR_S;
|
| nkeynes@1 | 275 | if( sh4r.m ) sh4r.sr |= SR_M;
|
| nkeynes@1 | 276 | if( sh4r.q ) sh4r.sr |= SR_Q;
|
| nkeynes@1 | 277 | return sh4r.sr;
|
| nkeynes@1 | 278 | }
|
| nkeynes@246 | 279 |
|
| nkeynes@246 | 280 | /**
|
| nkeynes@246 | 281 | * Raise a general CPU exception for the specified exception code.
|
| nkeynes@246 | 282 | * (NOT for TRAPA or TLB exceptions)
|
| nkeynes@246 | 283 | */
|
| nkeynes@246 | 284 | gboolean sh4_raise_exception( int code )
|
| nkeynes@1 | 285 | {
|
| nkeynes@246 | 286 | RAISE( code, EXV_EXCEPTION );
|
| nkeynes@246 | 287 | }
|
| nkeynes@246 | 288 |
|
| nkeynes@246 | 289 | gboolean sh4_raise_slot_exception( int normal_code, int slot_code ) {
|
| nkeynes@246 | 290 | if( sh4r.in_delay_slot ) {
|
| nkeynes@246 | 291 | return sh4_raise_exception(slot_code);
|
| nkeynes@246 | 292 | } else {
|
| nkeynes@246 | 293 | return sh4_raise_exception(normal_code);
|
| nkeynes@246 | 294 | }
|
| nkeynes@246 | 295 | }
|
| nkeynes@246 | 296 |
|
| nkeynes@246 | 297 | gboolean sh4_raise_tlb_exception( int code )
|
| nkeynes@246 | 298 | {
|
| nkeynes@246 | 299 | RAISE( code, EXV_TLBMISS );
|
| nkeynes@1 | 300 | }
|
| nkeynes@1 | 301 |
|
| nkeynes@359 | 302 | void sh4_accept_interrupt( void )
|
| nkeynes@1 | 303 | {
|
| nkeynes@1 | 304 | uint32_t code = intc_accept_interrupt();
|
| nkeynes@1 | 305 | sh4r.ssr = sh4_read_sr();
|
| nkeynes@1 | 306 | sh4r.spc = sh4r.pc;
|
| nkeynes@1 | 307 | sh4r.sgr = sh4r.r[15];
|
| nkeynes@374 | 308 | sh4_write_sr( sh4r.ssr|SR_BL|SR_MD|SR_RB );
|
| nkeynes@1 | 309 | MMIO_WRITE( MMU, INTEVT, code );
|
| nkeynes@1 | 310 | sh4r.pc = sh4r.vbr + 0x600;
|
| nkeynes@1 | 311 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@92 | 312 | // WARN( "Accepting interrupt %03X, from %08X => %08X", code, sh4r.spc, sh4r.pc );
|
| nkeynes@1 | 313 | }
|
| nkeynes@1 | 314 |
|
| nkeynes@27 | 315 | gboolean sh4_execute_instruction( void )
|
| nkeynes@1 | 316 | {
|
| nkeynes@84 | 317 | uint32_t pc;
|
| nkeynes@2 | 318 | unsigned short ir;
|
| nkeynes@1 | 319 | uint32_t tmp;
|
| nkeynes@123 | 320 | float ftmp;
|
| nkeynes@123 | 321 | double dtmp;
|
| nkeynes@1 | 322 |
|
| nkeynes@1 | 323 | #define R0 sh4r.r[0]
|
| nkeynes@2 | 324 | pc = sh4r.pc;
|
| nkeynes@84 | 325 | if( pc > 0xFFFFFF00 ) {
|
| nkeynes@84 | 326 | /* SYSCALL Magic */
|
| nkeynes@102 | 327 | syscall_invoke( pc );
|
| nkeynes@104 | 328 | sh4r.in_delay_slot = 0;
|
| nkeynes@84 | 329 | pc = sh4r.pc = sh4r.pr;
|
| nkeynes@84 | 330 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@84 | 331 | }
|
| nkeynes@208 | 332 | CHECKRALIGN16(pc);
|
| nkeynes@235 | 333 |
|
| nkeynes@235 | 334 | /* Read instruction */
|
| nkeynes@235 | 335 | uint32_t pageaddr = pc >> 12;
|
| nkeynes@235 | 336 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) {
|
| nkeynes@235 | 337 | ir = sh4_icache[(pc&0xFFF)>>1];
|
| nkeynes@235 | 338 | } else {
|
| nkeynes@235 | 339 | sh4_icache = (uint16_t *)mem_get_page(pc);
|
| nkeynes@235 | 340 | if( ((uint32_t)sh4_icache) < MAX_IO_REGIONS ) {
|
| nkeynes@235 | 341 | /* If someone's actually been so daft as to try to execute out of an IO
|
| nkeynes@235 | 342 | * region, fallback on the full-blown memory read
|
| nkeynes@235 | 343 | */
|
| nkeynes@235 | 344 | sh4_icache = NULL;
|
| nkeynes@235 | 345 | ir = MEM_READ_WORD(pc);
|
| nkeynes@235 | 346 | } else {
|
| nkeynes@235 | 347 | sh4_icache_addr = pageaddr;
|
| nkeynes@235 | 348 | ir = sh4_icache[(pc&0xFFF)>>1];
|
| nkeynes@235 | 349 | }
|
| nkeynes@235 | 350 | }
|
| nkeynes@359 | 351 | switch( (ir&0xF000) >> 12 ) {
|
| nkeynes@359 | 352 | case 0x0:
|
| nkeynes@359 | 353 | switch( ir&0xF ) {
|
| nkeynes@359 | 354 | case 0x2:
|
| nkeynes@359 | 355 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 356 | case 0x0:
|
| nkeynes@359 | 357 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 358 | case 0x0:
|
| nkeynes@359 | 359 | { /* STC SR, Rn */
|
| nkeynes@359 | 360 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 361 | CHECKPRIV();
|
| nkeynes@359 | 362 | sh4r.r[Rn] = sh4_read_sr();
|
| nkeynes@359 | 363 | }
|
| nkeynes@359 | 364 | break;
|
| nkeynes@359 | 365 | case 0x1:
|
| nkeynes@359 | 366 | { /* STC GBR, Rn */
|
| nkeynes@359 | 367 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 368 | CHECKPRIV();
|
| nkeynes@359 | 369 | sh4r.r[Rn] = sh4r.gbr;
|
| nkeynes@359 | 370 | }
|
| nkeynes@359 | 371 | break;
|
| nkeynes@359 | 372 | case 0x2:
|
| nkeynes@359 | 373 | { /* STC VBR, Rn */
|
| nkeynes@359 | 374 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 375 | CHECKPRIV();
|
| nkeynes@359 | 376 | sh4r.r[Rn] = sh4r.vbr;
|
| nkeynes@359 | 377 | }
|
| nkeynes@359 | 378 | break;
|
| nkeynes@359 | 379 | case 0x3:
|
| nkeynes@359 | 380 | { /* STC SSR, Rn */
|
| nkeynes@359 | 381 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 382 | CHECKPRIV();
|
| nkeynes@359 | 383 | sh4r.r[Rn] = sh4r.ssr;
|
| nkeynes@359 | 384 | }
|
| nkeynes@359 | 385 | break;
|
| nkeynes@359 | 386 | case 0x4:
|
| nkeynes@359 | 387 | { /* STC SPC, Rn */
|
| nkeynes@359 | 388 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 389 | CHECKPRIV();
|
| nkeynes@359 | 390 | sh4r.r[Rn] = sh4r.spc;
|
| nkeynes@359 | 391 | }
|
| nkeynes@359 | 392 | break;
|
| nkeynes@359 | 393 | default:
|
| nkeynes@359 | 394 | UNDEF();
|
| nkeynes@359 | 395 | break;
|
| nkeynes@359 | 396 | }
|
| nkeynes@359 | 397 | break;
|
| nkeynes@359 | 398 | case 0x1:
|
| nkeynes@359 | 399 | { /* STC Rm_BANK, Rn */
|
| nkeynes@359 | 400 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 401 | CHECKPRIV();
|
| nkeynes@359 | 402 | sh4r.r[Rn] = sh4r.r_bank[Rm_BANK];
|
| nkeynes@359 | 403 | }
|
| nkeynes@359 | 404 | break;
|
| nkeynes@359 | 405 | }
|
| nkeynes@359 | 406 | break;
|
| nkeynes@359 | 407 | case 0x3:
|
| nkeynes@359 | 408 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 409 | case 0x0:
|
| nkeynes@359 | 410 | { /* BSRF Rn */
|
| nkeynes@359 | 411 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 412 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 413 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
|
| nkeynes@359 | 414 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 415 | sh4r.pr = sh4r.pc + 4;
|
| nkeynes@359 | 416 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 417 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
|
| nkeynes@359 | 418 | TRACE_CALL( pc, sh4r.new_pc );
|
| nkeynes@359 | 419 | return TRUE;
|
| nkeynes@359 | 420 | }
|
| nkeynes@359 | 421 | break;
|
| nkeynes@359 | 422 | case 0x2:
|
| nkeynes@359 | 423 | { /* BRAF Rn */
|
| nkeynes@359 | 424 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 425 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 426 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
|
| nkeynes@359 | 427 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 428 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 429 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
|
| nkeynes@359 | 430 | return TRUE;
|
| nkeynes@359 | 431 | }
|
| nkeynes@359 | 432 | break;
|
| nkeynes@359 | 433 | case 0x8:
|
| nkeynes@359 | 434 | { /* PREF @Rn */
|
| nkeynes@359 | 435 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 436 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 437 | if( (tmp & 0xFC000000) == 0xE0000000 ) {
|
| nkeynes@369 | 438 | sh4_flush_store_queue(tmp);
|
| nkeynes@359 | 439 | }
|
| nkeynes@359 | 440 | }
|
| nkeynes@359 | 441 | break;
|
| nkeynes@359 | 442 | case 0x9:
|
| nkeynes@359 | 443 | { /* OCBI @Rn */
|
| nkeynes@359 | 444 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 445 | }
|
| nkeynes@359 | 446 | break;
|
| nkeynes@359 | 447 | case 0xA:
|
| nkeynes@359 | 448 | { /* OCBP @Rn */
|
| nkeynes@359 | 449 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 450 | }
|
| nkeynes@359 | 451 | break;
|
| nkeynes@359 | 452 | case 0xB:
|
| nkeynes@359 | 453 | { /* OCBWB @Rn */
|
| nkeynes@359 | 454 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 455 | }
|
| nkeynes@359 | 456 | break;
|
| nkeynes@359 | 457 | case 0xC:
|
| nkeynes@359 | 458 | { /* MOVCA.L R0, @Rn */
|
| nkeynes@359 | 459 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 460 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 461 | CHECKWALIGN32(tmp);
|
| nkeynes@359 | 462 | MEM_WRITE_LONG( tmp, R0 );
|
| nkeynes@359 | 463 | }
|
| nkeynes@359 | 464 | break;
|
| nkeynes@359 | 465 | default:
|
| nkeynes@359 | 466 | UNDEF();
|
| nkeynes@359 | 467 | break;
|
| nkeynes@359 | 468 | }
|
| nkeynes@359 | 469 | break;
|
| nkeynes@359 | 470 | case 0x4:
|
| nkeynes@359 | 471 | { /* MOV.B Rm, @(R0, Rn) */
|
| nkeynes@359 | 472 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 473 | MEM_WRITE_BYTE( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 474 | }
|
| nkeynes@359 | 475 | break;
|
| nkeynes@359 | 476 | case 0x5:
|
| nkeynes@359 | 477 | { /* MOV.W Rm, @(R0, Rn) */
|
| nkeynes@359 | 478 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 479 | CHECKWALIGN16( R0 + sh4r.r[Rn] );
|
| nkeynes@359 | 480 | MEM_WRITE_WORD( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 481 | }
|
| nkeynes@359 | 482 | break;
|
| nkeynes@359 | 483 | case 0x6:
|
| nkeynes@359 | 484 | { /* MOV.L Rm, @(R0, Rn) */
|
| nkeynes@359 | 485 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 486 | CHECKWALIGN32( R0 + sh4r.r[Rn] );
|
| nkeynes@359 | 487 | MEM_WRITE_LONG( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 488 | }
|
| nkeynes@359 | 489 | break;
|
| nkeynes@359 | 490 | case 0x7:
|
| nkeynes@359 | 491 | { /* MUL.L Rm, Rn */
|
| nkeynes@359 | 492 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 493 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 494 | (sh4r.r[Rm] * sh4r.r[Rn]);
|
| nkeynes@359 | 495 | }
|
| nkeynes@359 | 496 | break;
|
| nkeynes@359 | 497 | case 0x8:
|
| nkeynes@359 | 498 | switch( (ir&0xFF0) >> 4 ) {
|
| nkeynes@359 | 499 | case 0x0:
|
| nkeynes@359 | 500 | { /* CLRT */
|
| nkeynes@359 | 501 | sh4r.t = 0;
|
| nkeynes@359 | 502 | }
|
| nkeynes@359 | 503 | break;
|
| nkeynes@359 | 504 | case 0x1:
|
| nkeynes@359 | 505 | { /* SETT */
|
| nkeynes@359 | 506 | sh4r.t = 1;
|
| nkeynes@359 | 507 | }
|
| nkeynes@359 | 508 | break;
|
| nkeynes@359 | 509 | case 0x2:
|
| nkeynes@359 | 510 | { /* CLRMAC */
|
| nkeynes@359 | 511 | sh4r.mac = 0;
|
| nkeynes@359 | 512 | }
|
| nkeynes@359 | 513 | break;
|
| nkeynes@359 | 514 | case 0x3:
|
| nkeynes@359 | 515 | { /* LDTLB */
|
| nkeynes@359 | 516 | /* TODO */
|
| nkeynes@359 | 517 | }
|
| nkeynes@359 | 518 | break;
|
| nkeynes@359 | 519 | case 0x4:
|
| nkeynes@359 | 520 | { /* CLRS */
|
| nkeynes@359 | 521 | sh4r.s = 0;
|
| nkeynes@359 | 522 | }
|
| nkeynes@359 | 523 | break;
|
| nkeynes@359 | 524 | case 0x5:
|
| nkeynes@359 | 525 | { /* SETS */
|
| nkeynes@359 | 526 | sh4r.s = 1;
|
| nkeynes@359 | 527 | }
|
| nkeynes@359 | 528 | break;
|
| nkeynes@359 | 529 | default:
|
| nkeynes@359 | 530 | UNDEF();
|
| nkeynes@359 | 531 | break;
|
| nkeynes@359 | 532 | }
|
| nkeynes@359 | 533 | break;
|
| nkeynes@359 | 534 | case 0x9:
|
| nkeynes@359 | 535 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 536 | case 0x0:
|
| nkeynes@359 | 537 | { /* NOP */
|
| nkeynes@359 | 538 | /* NOP */
|
| nkeynes@359 | 539 | }
|
| nkeynes@359 | 540 | break;
|
| nkeynes@359 | 541 | case 0x1:
|
| nkeynes@359 | 542 | { /* DIV0U */
|
| nkeynes@359 | 543 | sh4r.m = sh4r.q = sh4r.t = 0;
|
| nkeynes@359 | 544 | }
|
| nkeynes@359 | 545 | break;
|
| nkeynes@359 | 546 | case 0x2:
|
| nkeynes@359 | 547 | { /* MOVT Rn */
|
| nkeynes@359 | 548 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 549 | sh4r.r[Rn] = sh4r.t;
|
| nkeynes@359 | 550 | }
|
| nkeynes@359 | 551 | break;
|
| nkeynes@359 | 552 | default:
|
| nkeynes@359 | 553 | UNDEF();
|
| nkeynes@359 | 554 | break;
|
| nkeynes@359 | 555 | }
|
| nkeynes@359 | 556 | break;
|
| nkeynes@359 | 557 | case 0xA:
|
| nkeynes@359 | 558 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 559 | case 0x0:
|
| nkeynes@359 | 560 | { /* STS MACH, Rn */
|
| nkeynes@359 | 561 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 562 | sh4r.r[Rn] = (sh4r.mac>>32);
|
| nkeynes@359 | 563 | }
|
| nkeynes@359 | 564 | break;
|
| nkeynes@359 | 565 | case 0x1:
|
| nkeynes@359 | 566 | { /* STS MACL, Rn */
|
| nkeynes@359 | 567 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 568 | sh4r.r[Rn] = (uint32_t)sh4r.mac;
|
| nkeynes@359 | 569 | }
|
| nkeynes@359 | 570 | break;
|
| nkeynes@359 | 571 | case 0x2:
|
| nkeynes@359 | 572 | { /* STS PR, Rn */
|
| nkeynes@359 | 573 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 574 | sh4r.r[Rn] = sh4r.pr;
|
| nkeynes@359 | 575 | }
|
| nkeynes@359 | 576 | break;
|
| nkeynes@359 | 577 | case 0x3:
|
| nkeynes@359 | 578 | { /* STC SGR, Rn */
|
| nkeynes@359 | 579 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 580 | CHECKPRIV();
|
| nkeynes@359 | 581 | sh4r.r[Rn] = sh4r.sgr;
|
| nkeynes@359 | 582 | }
|
| nkeynes@359 | 583 | break;
|
| nkeynes@359 | 584 | case 0x5:
|
| nkeynes@359 | 585 | { /* STS FPUL, Rn */
|
| nkeynes@359 | 586 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 587 | sh4r.r[Rn] = sh4r.fpul;
|
| nkeynes@359 | 588 | }
|
| nkeynes@359 | 589 | break;
|
| nkeynes@359 | 590 | case 0x6:
|
| nkeynes@359 | 591 | { /* STS FPSCR, Rn */
|
| nkeynes@359 | 592 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 593 | sh4r.r[Rn] = sh4r.fpscr;
|
| nkeynes@359 | 594 | }
|
| nkeynes@359 | 595 | break;
|
| nkeynes@359 | 596 | case 0xF:
|
| nkeynes@359 | 597 | { /* STC DBR, Rn */
|
| nkeynes@359 | 598 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 599 | CHECKPRIV(); sh4r.r[Rn] = sh4r.dbr;
|
| nkeynes@359 | 600 | }
|
| nkeynes@359 | 601 | break;
|
| nkeynes@359 | 602 | default:
|
| nkeynes@359 | 603 | UNDEF();
|
| nkeynes@359 | 604 | break;
|
| nkeynes@359 | 605 | }
|
| nkeynes@359 | 606 | break;
|
| nkeynes@359 | 607 | case 0xB:
|
| nkeynes@359 | 608 | switch( (ir&0xFF0) >> 4 ) {
|
| nkeynes@359 | 609 | case 0x0:
|
| nkeynes@359 | 610 | { /* RTS */
|
| nkeynes@359 | 611 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 612 | CHECKDEST( sh4r.pr );
|
| nkeynes@359 | 613 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 614 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 615 | sh4r.new_pc = sh4r.pr;
|
| nkeynes@359 | 616 | TRACE_RETURN( pc, sh4r.new_pc );
|
| nkeynes@359 | 617 | return TRUE;
|
| nkeynes@359 | 618 | }
|
| nkeynes@359 | 619 | break;
|
| nkeynes@359 | 620 | case 0x1:
|
| nkeynes@359 | 621 | { /* SLEEP */
|
| nkeynes@359 | 622 | if( MMIO_READ( CPG, STBCR ) & 0x80 ) {
|
| nkeynes@359 | 623 | sh4r.sh4_state = SH4_STATE_STANDBY;
|
| nkeynes@359 | 624 | } else {
|
| nkeynes@359 | 625 | sh4r.sh4_state = SH4_STATE_SLEEP;
|
| nkeynes@359 | 626 | }
|
| nkeynes@359 | 627 | return FALSE; /* Halt CPU */
|
| nkeynes@359 | 628 | }
|
| nkeynes@359 | 629 | break;
|
| nkeynes@359 | 630 | case 0x2:
|
| nkeynes@359 | 631 | { /* RTE */
|
| nkeynes@359 | 632 | CHECKPRIV();
|
| nkeynes@359 | 633 | CHECKDEST( sh4r.spc );
|
| nkeynes@359 | 634 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 635 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 636 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 637 | sh4r.new_pc = sh4r.spc;
|
| nkeynes@374 | 638 | sh4_write_sr( sh4r.ssr );
|
| nkeynes@359 | 639 | return TRUE;
|
| nkeynes@359 | 640 | }
|
| nkeynes@359 | 641 | break;
|
| nkeynes@359 | 642 | default:
|
| nkeynes@359 | 643 | UNDEF();
|
| nkeynes@359 | 644 | break;
|
| nkeynes@359 | 645 | }
|
| nkeynes@359 | 646 | break;
|
| nkeynes@359 | 647 | case 0xC:
|
| nkeynes@359 | 648 | { /* MOV.B @(R0, Rm), Rn */
|
| nkeynes@359 | 649 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 650 | sh4r.r[Rn] = MEM_READ_BYTE( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 651 | }
|
| nkeynes@359 | 652 | break;
|
| nkeynes@359 | 653 | case 0xD:
|
| nkeynes@359 | 654 | { /* MOV.W @(R0, Rm), Rn */
|
| nkeynes@359 | 655 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 656 | CHECKRALIGN16( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 657 | sh4r.r[Rn] = MEM_READ_WORD( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 658 | }
|
| nkeynes@359 | 659 | break;
|
| nkeynes@359 | 660 | case 0xE:
|
| nkeynes@359 | 661 | { /* MOV.L @(R0, Rm), Rn */
|
| nkeynes@359 | 662 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 663 | CHECKRALIGN32( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 664 | sh4r.r[Rn] = MEM_READ_LONG( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 665 | }
|
| nkeynes@359 | 666 | break;
|
| nkeynes@359 | 667 | case 0xF:
|
| nkeynes@359 | 668 | { /* MAC.L @Rm+, @Rn+ */
|
| nkeynes@359 | 669 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 670 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 671 | CHECKRALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 672 | int64_t tmpl = SIGNEXT32(MEM_READ_LONG(sh4r.r[Rn]));
|
| nkeynes@359 | 673 | sh4r.r[Rn] += 4;
|
| nkeynes@359 | 674 | tmpl = tmpl * SIGNEXT32(MEM_READ_LONG(sh4r.r[Rm])) + sh4r.mac;
|
| nkeynes@359 | 675 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 676 | if( sh4r.s ) {
|
| nkeynes@359 | 677 | /* 48-bit Saturation. Yuch */
|
| nkeynes@359 | 678 | if( tmpl < (int64_t)0xFFFF800000000000LL )
|
| nkeynes@359 | 679 | tmpl = 0xFFFF800000000000LL;
|
| nkeynes@359 | 680 | else if( tmpl > (int64_t)0x00007FFFFFFFFFFFLL )
|
| nkeynes@359 | 681 | tmpl = 0x00007FFFFFFFFFFFLL;
|
| nkeynes@359 | 682 | }
|
| nkeynes@359 | 683 | sh4r.mac = tmpl;
|
| nkeynes@359 | 684 | }
|
| nkeynes@359 | 685 | break;
|
| nkeynes@359 | 686 | default:
|
| nkeynes@359 | 687 | UNDEF();
|
| nkeynes@359 | 688 | break;
|
| nkeynes@359 | 689 | }
|
| nkeynes@359 | 690 | break;
|
| nkeynes@359 | 691 | case 0x1:
|
| nkeynes@359 | 692 | { /* MOV.L Rm, @(disp, Rn) */
|
| nkeynes@359 | 693 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
| nkeynes@359 | 694 | tmp = sh4r.r[Rn] + disp;
|
| nkeynes@359 | 695 | CHECKWALIGN32( tmp );
|
| nkeynes@359 | 696 | MEM_WRITE_LONG( tmp, sh4r.r[Rm] );
|
| nkeynes@359 | 697 | }
|
| nkeynes@359 | 698 | break;
|
| nkeynes@359 | 699 | case 0x2:
|
| nkeynes@359 | 700 | switch( ir&0xF ) {
|
| nkeynes@359 | 701 | case 0x0:
|
| nkeynes@359 | 702 | { /* MOV.B Rm, @Rn */
|
| nkeynes@359 | 703 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 704 | MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 705 | }
|
| nkeynes@359 | 706 | break;
|
| nkeynes@359 | 707 | case 0x1:
|
| nkeynes@359 | 708 | { /* MOV.W Rm, @Rn */
|
| nkeynes@359 | 709 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 710 | CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 711 | }
|
| nkeynes@359 | 712 | break;
|
| nkeynes@359 | 713 | case 0x2:
|
| nkeynes@359 | 714 | { /* MOV.L Rm, @Rn */
|
| nkeynes@359 | 715 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 716 | CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 717 | }
|
| nkeynes@359 | 718 | break;
|
| nkeynes@359 | 719 | case 0x4:
|
| nkeynes@359 | 720 | { /* MOV.B Rm, @-Rn */
|
| nkeynes@359 | 721 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 722 | sh4r.r[Rn] --; MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 723 | }
|
| nkeynes@359 | 724 | break;
|
| nkeynes@359 | 725 | case 0x5:
|
| nkeynes@359 | 726 | { /* MOV.W Rm, @-Rn */
|
| nkeynes@359 | 727 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 728 | sh4r.r[Rn] -= 2; CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 729 | }
|
| nkeynes@359 | 730 | break;
|
| nkeynes@359 | 731 | case 0x6:
|
| nkeynes@359 | 732 | { /* MOV.L Rm, @-Rn */
|
| nkeynes@359 | 733 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 734 | sh4r.r[Rn] -= 4; CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 735 | }
|
| nkeynes@359 | 736 | break;
|
| nkeynes@359 | 737 | case 0x7:
|
| nkeynes@359 | 738 | { /* DIV0S Rm, Rn */
|
| nkeynes@359 | 739 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 740 | sh4r.q = sh4r.r[Rn]>>31;
|
| nkeynes@359 | 741 | sh4r.m = sh4r.r[Rm]>>31;
|
| nkeynes@359 | 742 | sh4r.t = sh4r.q ^ sh4r.m;
|
| nkeynes@359 | 743 | }
|
| nkeynes@359 | 744 | break;
|
| nkeynes@359 | 745 | case 0x8:
|
| nkeynes@359 | 746 | { /* TST Rm, Rn */
|
| nkeynes@359 | 747 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 748 | sh4r.t = (sh4r.r[Rn]&sh4r.r[Rm] ? 0 : 1);
|
| nkeynes@359 | 749 | }
|
| nkeynes@359 | 750 | break;
|
| nkeynes@359 | 751 | case 0x9:
|
| nkeynes@359 | 752 | { /* AND Rm, Rn */
|
| nkeynes@359 | 753 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 754 | sh4r.r[Rn] &= sh4r.r[Rm];
|
| nkeynes@359 | 755 | }
|
| nkeynes@359 | 756 | break;
|
| nkeynes@359 | 757 | case 0xA:
|
| nkeynes@359 | 758 | { /* XOR Rm, Rn */
|
| nkeynes@359 | 759 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 760 | sh4r.r[Rn] ^= sh4r.r[Rm];
|
| nkeynes@359 | 761 | }
|
| nkeynes@359 | 762 | break;
|
| nkeynes@359 | 763 | case 0xB:
|
| nkeynes@359 | 764 | { /* OR Rm, Rn */
|
| nkeynes@359 | 765 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 766 | sh4r.r[Rn] |= sh4r.r[Rm];
|
| nkeynes@359 | 767 | }
|
| nkeynes@359 | 768 | break;
|
| nkeynes@359 | 769 | case 0xC:
|
| nkeynes@359 | 770 | { /* CMP/STR Rm, Rn */
|
| nkeynes@359 | 771 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 772 | /* set T = 1 if any byte in RM & RN is the same */
|
| nkeynes@359 | 773 | tmp = sh4r.r[Rm] ^ sh4r.r[Rn];
|
| nkeynes@359 | 774 | sh4r.t = ((tmp&0x000000FF)==0 || (tmp&0x0000FF00)==0 ||
|
| nkeynes@359 | 775 | (tmp&0x00FF0000)==0 || (tmp&0xFF000000)==0)?1:0;
|
| nkeynes@359 | 776 | }
|
| nkeynes@359 | 777 | break;
|
| nkeynes@359 | 778 | case 0xD:
|
| nkeynes@359 | 779 | { /* XTRCT Rm, Rn */
|
| nkeynes@359 | 780 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 781 | sh4r.r[Rn] = (sh4r.r[Rn]>>16) | (sh4r.r[Rm]<<16);
|
| nkeynes@359 | 782 | }
|
| nkeynes@359 | 783 | break;
|
| nkeynes@359 | 784 | case 0xE:
|
| nkeynes@359 | 785 | { /* MULU.W Rm, Rn */
|
| nkeynes@359 | 786 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 787 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 788 | (uint32_t)((sh4r.r[Rm]&0xFFFF) * (sh4r.r[Rn]&0xFFFF));
|
| nkeynes@359 | 789 | }
|
| nkeynes@359 | 790 | break;
|
| nkeynes@359 | 791 | case 0xF:
|
| nkeynes@359 | 792 | { /* MULS.W Rm, Rn */
|
| nkeynes@359 | 793 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 794 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 795 | (uint32_t)(SIGNEXT32(sh4r.r[Rm]&0xFFFF) * SIGNEXT32(sh4r.r[Rn]&0xFFFF));
|
| nkeynes@359 | 796 | }
|
| nkeynes@359 | 797 | break;
|
| nkeynes@359 | 798 | default:
|
| nkeynes@359 | 799 | UNDEF();
|
| nkeynes@359 | 800 | break;
|
| nkeynes@359 | 801 | }
|
| nkeynes@359 | 802 | break;
|
| nkeynes@359 | 803 | case 0x3:
|
| nkeynes@359 | 804 | switch( ir&0xF ) {
|
| nkeynes@359 | 805 | case 0x0:
|
| nkeynes@359 | 806 | { /* CMP/EQ Rm, Rn */
|
| nkeynes@359 | 807 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 808 | sh4r.t = ( sh4r.r[Rm] == sh4r.r[Rn] ? 1 : 0 );
|
| nkeynes@359 | 809 | }
|
| nkeynes@359 | 810 | break;
|
| nkeynes@359 | 811 | case 0x2:
|
| nkeynes@359 | 812 | { /* CMP/HS Rm, Rn */
|
| nkeynes@359 | 813 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 814 | sh4r.t = ( sh4r.r[Rn] >= sh4r.r[Rm] ? 1 : 0 );
|
| nkeynes@359 | 815 | }
|
| nkeynes@359 | 816 | break;
|
| nkeynes@359 | 817 | case 0x3:
|
| nkeynes@359 | 818 | { /* CMP/GE Rm, Rn */
|
| nkeynes@359 | 819 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 820 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= ((int32_t)sh4r.r[Rm]) ? 1 : 0 );
|
| nkeynes@359 | 821 | }
|
| nkeynes@359 | 822 | break;
|
| nkeynes@359 | 823 | case 0x4:
|
| nkeynes@359 | 824 | { /* DIV1 Rm, Rn */
|
| nkeynes@359 | 825 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@384 | 826 | /* This is derived from the sh4 manual with some simplifications */
|
| nkeynes@359 | 827 | uint32_t tmp0, tmp1, tmp2, dir;
|
| nkeynes@359 | 828 |
|
| nkeynes@359 | 829 | dir = sh4r.q ^ sh4r.m;
|
| nkeynes@359 | 830 | sh4r.q = (sh4r.r[Rn] >> 31);
|
| nkeynes@359 | 831 | tmp2 = sh4r.r[Rm];
|
| nkeynes@359 | 832 | sh4r.r[Rn] = (sh4r.r[Rn] << 1) | sh4r.t;
|
| nkeynes@359 | 833 | tmp0 = sh4r.r[Rn];
|
| nkeynes@359 | 834 | if( dir ) {
|
| nkeynes@359 | 835 | sh4r.r[Rn] += tmp2;
|
| nkeynes@359 | 836 | tmp1 = (sh4r.r[Rn]<tmp0 ? 1 : 0 );
|
| nkeynes@359 | 837 | } else {
|
| nkeynes@359 | 838 | sh4r.r[Rn] -= tmp2;
|
| nkeynes@359 | 839 | tmp1 = (sh4r.r[Rn]>tmp0 ? 1 : 0 );
|
| nkeynes@359 | 840 | }
|
| nkeynes@359 | 841 | sh4r.q ^= sh4r.m ^ tmp1;
|
| nkeynes@359 | 842 | sh4r.t = ( sh4r.q == sh4r.m ? 1 : 0 );
|
| nkeynes@359 | 843 | }
|
| nkeynes@359 | 844 | break;
|
| nkeynes@359 | 845 | case 0x5:
|
| nkeynes@359 | 846 | { /* DMULU.L Rm, Rn */
|
| nkeynes@359 | 847 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 848 | sh4r.mac = ((uint64_t)sh4r.r[Rm]) * ((uint64_t)sh4r.r[Rn]);
|
| nkeynes@359 | 849 | }
|
| nkeynes@359 | 850 | break;
|
| nkeynes@359 | 851 | case 0x6:
|
| nkeynes@359 | 852 | { /* CMP/HI Rm, Rn */
|
| nkeynes@359 | 853 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 854 | sh4r.t = ( sh4r.r[Rn] > sh4r.r[Rm] ? 1 : 0 );
|
| nkeynes@359 | 855 | }
|
| nkeynes@359 | 856 | break;
|
| nkeynes@359 | 857 | case 0x7:
|
| nkeynes@359 | 858 | { /* CMP/GT Rm, Rn */
|
| nkeynes@359 | 859 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 860 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) > ((int32_t)sh4r.r[Rm]) ? 1 : 0 );
|
| nkeynes@359 | 861 | }
|
| nkeynes@359 | 862 | break;
|
| nkeynes@359 | 863 | case 0x8:
|
| nkeynes@359 | 864 | { /* SUB Rm, Rn */
|
| nkeynes@359 | 865 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 866 | sh4r.r[Rn] -= sh4r.r[Rm];
|
| nkeynes@359 | 867 | }
|
| nkeynes@359 | 868 | break;
|
| nkeynes@359 | 869 | case 0xA:
|
| nkeynes@359 | 870 | { /* SUBC Rm, Rn */
|
| nkeynes@359 | 871 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 872 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 873 | sh4r.r[Rn] = sh4r.r[Rn] - sh4r.r[Rm] - sh4r.t;
|
| nkeynes@359 | 874 | sh4r.t = (sh4r.r[Rn] > tmp || (sh4r.r[Rn] == tmp && sh4r.t == 1));
|
| nkeynes@359 | 875 | }
|
| nkeynes@359 | 876 | break;
|
| nkeynes@359 | 877 | case 0xB:
|
| nkeynes@359 | 878 | UNIMP(ir); /* SUBV Rm, Rn */
|
| nkeynes@359 | 879 | break;
|
| nkeynes@359 | 880 | case 0xC:
|
| nkeynes@359 | 881 | { /* ADD Rm, Rn */
|
| nkeynes@359 | 882 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 883 | sh4r.r[Rn] += sh4r.r[Rm];
|
| nkeynes@359 | 884 | }
|
| nkeynes@359 | 885 | break;
|
| nkeynes@359 | 886 | case 0xD:
|
| nkeynes@359 | 887 | { /* DMULS.L Rm, Rn */
|
| nkeynes@359 | 888 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 889 | sh4r.mac = SIGNEXT32(sh4r.r[Rm]) * SIGNEXT32(sh4r.r[Rn]);
|
| nkeynes@359 | 890 | }
|
| nkeynes@359 | 891 | break;
|
| nkeynes@359 | 892 | case 0xE:
|
| nkeynes@359 | 893 | { /* ADDC Rm, Rn */
|
| nkeynes@359 | 894 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 895 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 896 | sh4r.r[Rn] += sh4r.r[Rm] + sh4r.t;
|
| nkeynes@359 | 897 | sh4r.t = ( sh4r.r[Rn] < tmp || (sh4r.r[Rn] == tmp && sh4r.t != 0) ? 1 : 0 );
|
| nkeynes@359 | 898 | }
|
| nkeynes@359 | 899 | break;
|
| nkeynes@359 | 900 | case 0xF:
|
| nkeynes@359 | 901 | { /* ADDV Rm, Rn */
|
| nkeynes@359 | 902 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 903 | tmp = sh4r.r[Rn] + sh4r.r[Rm];
|
| nkeynes@359 | 904 | sh4r.t = ( (sh4r.r[Rn]>>31) == (sh4r.r[Rm]>>31) && ((sh4r.r[Rn]>>31) != (tmp>>31)) );
|
| nkeynes@359 | 905 | sh4r.r[Rn] = tmp;
|
| nkeynes@359 | 906 | }
|
| nkeynes@359 | 907 | break;
|
| nkeynes@359 | 908 | default:
|
| nkeynes@359 | 909 | UNDEF();
|
| nkeynes@359 | 910 | break;
|
| nkeynes@359 | 911 | }
|
| nkeynes@359 | 912 | break;
|
| nkeynes@359 | 913 | case 0x4:
|
| nkeynes@359 | 914 | switch( ir&0xF ) {
|
| nkeynes@359 | 915 | case 0x0:
|
| nkeynes@359 | 916 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 917 | case 0x0:
|
| nkeynes@359 | 918 | { /* SHLL Rn */
|
| nkeynes@359 | 919 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 920 | sh4r.t = sh4r.r[Rn] >> 31; sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 921 | }
|
| nkeynes@359 | 922 | break;
|
| nkeynes@359 | 923 | case 0x1:
|
| nkeynes@359 | 924 | { /* DT Rn */
|
| nkeynes@359 | 925 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 926 | sh4r.r[Rn] --;
|
| nkeynes@359 | 927 | sh4r.t = ( sh4r.r[Rn] == 0 ? 1 : 0 );
|
| nkeynes@359 | 928 | }
|
| nkeynes@359 | 929 | break;
|
| nkeynes@359 | 930 | case 0x2:
|
| nkeynes@359 | 931 | { /* SHAL Rn */
|
| nkeynes@359 | 932 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 933 | sh4r.t = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 934 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 935 | }
|
| nkeynes@359 | 936 | break;
|
| nkeynes@359 | 937 | default:
|
| nkeynes@359 | 938 | UNDEF();
|
| nkeynes@359 | 939 | break;
|
| nkeynes@359 | 940 | }
|
| nkeynes@359 | 941 | break;
|
| nkeynes@359 | 942 | case 0x1:
|
| nkeynes@359 | 943 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 944 | case 0x0:
|
| nkeynes@359 | 945 | { /* SHLR Rn */
|
| nkeynes@359 | 946 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 947 | sh4r.t = sh4r.r[Rn] & 0x00000001; sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 948 | }
|
| nkeynes@359 | 949 | break;
|
| nkeynes@359 | 950 | case 0x1:
|
| nkeynes@359 | 951 | { /* CMP/PZ Rn */
|
| nkeynes@359 | 952 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 953 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= 0 ? 1 : 0 );
|
| nkeynes@359 | 954 | }
|
| nkeynes@359 | 955 | break;
|
| nkeynes@359 | 956 | case 0x2:
|
| nkeynes@359 | 957 | { /* SHAR Rn */
|
| nkeynes@359 | 958 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 959 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 960 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 1;
|
| nkeynes@359 | 961 | }
|
| nkeynes@359 | 962 | break;
|
| nkeynes@359 | 963 | default:
|
| nkeynes@359 | 964 | UNDEF();
|
| nkeynes@359 | 965 | break;
|
| nkeynes@359 | 966 | }
|
| nkeynes@359 | 967 | break;
|
| nkeynes@359 | 968 | case 0x2:
|
| nkeynes@359 | 969 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 970 | case 0x0:
|
| nkeynes@359 | 971 | { /* STS.L MACH, @-Rn */
|
| nkeynes@359 | 972 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 973 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 974 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 975 | MEM_WRITE_LONG( sh4r.r[Rn], (sh4r.mac>>32) );
|
| nkeynes@359 | 976 | }
|
| nkeynes@359 | 977 | break;
|
| nkeynes@359 | 978 | case 0x1:
|
| nkeynes@359 | 979 | { /* STS.L MACL, @-Rn */
|
| nkeynes@359 | 980 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 981 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 982 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 983 | MEM_WRITE_LONG( sh4r.r[Rn], (uint32_t)sh4r.mac );
|
| nkeynes@359 | 984 | }
|
| nkeynes@359 | 985 | break;
|
| nkeynes@359 | 986 | case 0x2:
|
| nkeynes@359 | 987 | { /* STS.L PR, @-Rn */
|
| nkeynes@359 | 988 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 989 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 990 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 991 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.pr );
|
| nkeynes@359 | 992 | }
|
| nkeynes@359 | 993 | break;
|
| nkeynes@359 | 994 | case 0x3:
|
| nkeynes@359 | 995 | { /* STC.L SGR, @-Rn */
|
| nkeynes@359 | 996 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 997 | CHECKPRIV();
|
| nkeynes@359 | 998 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 999 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1000 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.sgr );
|
| nkeynes@359 | 1001 | }
|
| nkeynes@359 | 1002 | break;
|
| nkeynes@359 | 1003 | case 0x5:
|
| nkeynes@359 | 1004 | { /* STS.L FPUL, @-Rn */
|
| nkeynes@359 | 1005 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1006 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1007 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1008 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpul );
|
| nkeynes@359 | 1009 | }
|
| nkeynes@359 | 1010 | break;
|
| nkeynes@359 | 1011 | case 0x6:
|
| nkeynes@359 | 1012 | { /* STS.L FPSCR, @-Rn */
|
| nkeynes@359 | 1013 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1014 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1015 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1016 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpscr );
|
| nkeynes@359 | 1017 | }
|
| nkeynes@359 | 1018 | break;
|
| nkeynes@359 | 1019 | case 0xF:
|
| nkeynes@359 | 1020 | { /* STC.L DBR, @-Rn */
|
| nkeynes@359 | 1021 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1022 | CHECKPRIV();
|
| nkeynes@359 | 1023 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1024 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1025 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.dbr );
|
| nkeynes@359 | 1026 | }
|
| nkeynes@359 | 1027 | break;
|
| nkeynes@359 | 1028 | default:
|
| nkeynes@359 | 1029 | UNDEF();
|
| nkeynes@359 | 1030 | break;
|
| nkeynes@359 | 1031 | }
|
| nkeynes@359 | 1032 | break;
|
| nkeynes@359 | 1033 | case 0x3:
|
| nkeynes@359 | 1034 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 1035 | case 0x0:
|
| nkeynes@359 | 1036 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 1037 | case 0x0:
|
| nkeynes@359 | 1038 | { /* STC.L SR, @-Rn */
|
| nkeynes@359 | 1039 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1040 | CHECKPRIV();
|
| nkeynes@359 | 1041 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1042 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1043 | MEM_WRITE_LONG( sh4r.r[Rn], sh4_read_sr() );
|
| nkeynes@359 | 1044 | }
|
| nkeynes@359 | 1045 | break;
|
| nkeynes@359 | 1046 | case 0x1:
|
| nkeynes@359 | 1047 | { /* STC.L GBR, @-Rn */
|
| nkeynes@359 | 1048 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1049 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1050 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1051 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.gbr );
|
| nkeynes@359 | 1052 | }
|
| nkeynes@359 | 1053 | break;
|
| nkeynes@359 | 1054 | case 0x2:
|
| nkeynes@359 | 1055 | { /* STC.L VBR, @-Rn */
|
| nkeynes@359 | 1056 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1057 | CHECKPRIV();
|
| nkeynes@359 | 1058 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1059 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1060 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.vbr );
|
| nkeynes@359 | 1061 | }
|
| nkeynes@359 | 1062 | break;
|
| nkeynes@359 | 1063 | case 0x3:
|
| nkeynes@359 | 1064 | { /* STC.L SSR, @-Rn */
|
| nkeynes@359 | 1065 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1066 | CHECKPRIV();
|
| nkeynes@359 | 1067 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1068 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1069 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.ssr );
|
| nkeynes@359 | 1070 | }
|
| nkeynes@359 | 1071 | break;
|
| nkeynes@359 | 1072 | case 0x4:
|
| nkeynes@359 | 1073 | { /* STC.L SPC, @-Rn */
|
| nkeynes@359 | 1074 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1075 | CHECKPRIV();
|
| nkeynes@359 | 1076 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1077 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1078 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.spc );
|
| nkeynes@359 | 1079 | }
|
| nkeynes@359 | 1080 | break;
|
| nkeynes@359 | 1081 | default:
|
| nkeynes@359 | 1082 | UNDEF();
|
| nkeynes@359 | 1083 | break;
|
| nkeynes@359 | 1084 | }
|
| nkeynes@359 | 1085 | break;
|
| nkeynes@359 | 1086 | case 0x1:
|
| nkeynes@359 | 1087 | { /* STC.L Rm_BANK, @-Rn */
|
| nkeynes@359 | 1088 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 1089 | CHECKPRIV();
|
| nkeynes@359 | 1090 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 1091 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 1092 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r_bank[Rm_BANK] );
|
| nkeynes@359 | 1093 | }
|
| nkeynes@359 | 1094 | break;
|
| nkeynes@359 | 1095 | }
|
| nkeynes@359 | 1096 | break;
|
| nkeynes@359 | 1097 | case 0x4:
|
| nkeynes@359 | 1098 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1099 | case 0x0:
|
| nkeynes@359 | 1100 | { /* ROTL Rn */
|
| nkeynes@359 | 1101 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1102 | sh4r.t = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 1103 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 1104 | sh4r.r[Rn] |= sh4r.t;
|
| nkeynes@359 | 1105 | }
|
| nkeynes@359 | 1106 | break;
|
| nkeynes@359 | 1107 | case 0x2:
|
| nkeynes@359 | 1108 | { /* ROTCL Rn */
|
| nkeynes@359 | 1109 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1110 | tmp = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 1111 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 1112 | sh4r.r[Rn] |= sh4r.t;
|
| nkeynes@359 | 1113 | sh4r.t = tmp;
|
| nkeynes@359 | 1114 | }
|
| nkeynes@359 | 1115 | break;
|
| nkeynes@359 | 1116 | default:
|
| nkeynes@359 | 1117 | UNDEF();
|
| nkeynes@359 | 1118 | break;
|
| nkeynes@359 | 1119 | }
|
| nkeynes@359 | 1120 | break;
|
| nkeynes@359 | 1121 | case 0x5:
|
| nkeynes@359 | 1122 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1123 | case 0x0:
|
| nkeynes@359 | 1124 | { /* ROTR Rn */
|
| nkeynes@359 | 1125 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1126 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 1127 | sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 1128 | sh4r.r[Rn] |= (sh4r.t << 31);
|
| nkeynes@359 | 1129 | }
|
| nkeynes@359 | 1130 | break;
|
| nkeynes@359 | 1131 | case 0x1:
|
| nkeynes@359 | 1132 | { /* CMP/PL Rn */
|
| nkeynes@359 | 1133 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1134 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) > 0 ? 1 : 0 );
|
| nkeynes@359 | 1135 | }
|
| nkeynes@359 | 1136 | break;
|
| nkeynes@359 | 1137 | case 0x2:
|
| nkeynes@359 | 1138 | { /* ROTCR Rn */
|
| nkeynes@359 | 1139 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1140 | tmp = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 1141 | sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 1142 | sh4r.r[Rn] |= (sh4r.t << 31 );
|
| nkeynes@359 | 1143 | sh4r.t = tmp;
|
| nkeynes@359 | 1144 | }
|
| nkeynes@359 | 1145 | break;
|
| nkeynes@359 | 1146 | default:
|
| nkeynes@359 | 1147 | UNDEF();
|
| nkeynes@359 | 1148 | break;
|
| nkeynes@359 | 1149 | }
|
| nkeynes@359 | 1150 | break;
|
| nkeynes@359 | 1151 | case 0x6:
|
| nkeynes@359 | 1152 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1153 | case 0x0:
|
| nkeynes@359 | 1154 | { /* LDS.L @Rm+, MACH */
|
| nkeynes@359 | 1155 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1156 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1157 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
| nkeynes@359 | 1158 | (((uint64_t)MEM_READ_LONG(sh4r.r[Rm]))<<32);
|
| nkeynes@359 | 1159 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1160 | }
|
| nkeynes@359 | 1161 | break;
|
| nkeynes@359 | 1162 | case 0x1:
|
| nkeynes@359 | 1163 | { /* LDS.L @Rm+, MACL */
|
| nkeynes@359 | 1164 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1165 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1166 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1167 | (uint64_t)((uint32_t)MEM_READ_LONG(sh4r.r[Rm]));
|
| nkeynes@359 | 1168 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1169 | }
|
| nkeynes@359 | 1170 | break;
|
| nkeynes@359 | 1171 | case 0x2:
|
| nkeynes@359 | 1172 | { /* LDS.L @Rm+, PR */
|
| nkeynes@359 | 1173 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1174 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1175 | sh4r.pr = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1176 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1177 | }
|
| nkeynes@359 | 1178 | break;
|
| nkeynes@359 | 1179 | case 0x3:
|
| nkeynes@359 | 1180 | { /* LDC.L @Rm+, SGR */
|
| nkeynes@359 | 1181 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1182 | CHECKPRIV();
|
| nkeynes@359 | 1183 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1184 | sh4r.sgr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1185 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1186 | }
|
| nkeynes@359 | 1187 | break;
|
| nkeynes@359 | 1188 | case 0x5:
|
| nkeynes@359 | 1189 | { /* LDS.L @Rm+, FPUL */
|
| nkeynes@359 | 1190 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1191 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1192 | sh4r.fpul = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1193 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1194 | }
|
| nkeynes@359 | 1195 | break;
|
| nkeynes@359 | 1196 | case 0x6:
|
| nkeynes@359 | 1197 | { /* LDS.L @Rm+, FPSCR */
|
| nkeynes@359 | 1198 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1199 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1200 | sh4r.fpscr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1201 | sh4r.r[Rm] +=4;
|
| nkeynes@374 | 1202 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 1203 | }
|
| nkeynes@359 | 1204 | break;
|
| nkeynes@359 | 1205 | case 0xF:
|
| nkeynes@359 | 1206 | { /* LDC.L @Rm+, DBR */
|
| nkeynes@359 | 1207 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1208 | CHECKPRIV();
|
| nkeynes@359 | 1209 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1210 | sh4r.dbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1211 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1212 | }
|
| nkeynes@359 | 1213 | break;
|
| nkeynes@359 | 1214 | default:
|
| nkeynes@359 | 1215 | UNDEF();
|
| nkeynes@359 | 1216 | break;
|
| nkeynes@359 | 1217 | }
|
| nkeynes@359 | 1218 | break;
|
| nkeynes@359 | 1219 | case 0x7:
|
| nkeynes@359 | 1220 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 1221 | case 0x0:
|
| nkeynes@359 | 1222 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 1223 | case 0x0:
|
| nkeynes@359 | 1224 | { /* LDC.L @Rm+, SR */
|
| nkeynes@359 | 1225 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1226 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1227 | CHECKPRIV();
|
| nkeynes@359 | 1228 | CHECKWALIGN32( sh4r.r[Rm] );
|
| nkeynes@374 | 1229 | sh4_write_sr( MEM_READ_LONG(sh4r.r[Rm]) );
|
| nkeynes@359 | 1230 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1231 | }
|
| nkeynes@359 | 1232 | break;
|
| nkeynes@359 | 1233 | case 0x1:
|
| nkeynes@359 | 1234 | { /* LDC.L @Rm+, GBR */
|
| nkeynes@359 | 1235 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1236 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1237 | sh4r.gbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1238 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1239 | }
|
| nkeynes@359 | 1240 | break;
|
| nkeynes@359 | 1241 | case 0x2:
|
| nkeynes@359 | 1242 | { /* LDC.L @Rm+, VBR */
|
| nkeynes@359 | 1243 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1244 | CHECKPRIV();
|
| nkeynes@359 | 1245 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1246 | sh4r.vbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1247 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1248 | }
|
| nkeynes@359 | 1249 | break;
|
| nkeynes@359 | 1250 | case 0x3:
|
| nkeynes@359 | 1251 | { /* LDC.L @Rm+, SSR */
|
| nkeynes@359 | 1252 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1253 | CHECKPRIV();
|
| nkeynes@359 | 1254 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1255 | sh4r.ssr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1256 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1257 | }
|
| nkeynes@359 | 1258 | break;
|
| nkeynes@359 | 1259 | case 0x4:
|
| nkeynes@359 | 1260 | { /* LDC.L @Rm+, SPC */
|
| nkeynes@359 | 1261 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1262 | CHECKPRIV();
|
| nkeynes@359 | 1263 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1264 | sh4r.spc = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1265 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1266 | }
|
| nkeynes@359 | 1267 | break;
|
| nkeynes@359 | 1268 | default:
|
| nkeynes@359 | 1269 | UNDEF();
|
| nkeynes@359 | 1270 | break;
|
| nkeynes@359 | 1271 | }
|
| nkeynes@359 | 1272 | break;
|
| nkeynes@359 | 1273 | case 0x1:
|
| nkeynes@359 | 1274 | { /* LDC.L @Rm+, Rn_BANK */
|
| nkeynes@359 | 1275 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 1276 | CHECKPRIV();
|
| nkeynes@359 | 1277 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1278 | sh4r.r_bank[Rn_BANK] = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1279 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1280 | }
|
| nkeynes@359 | 1281 | break;
|
| nkeynes@359 | 1282 | }
|
| nkeynes@359 | 1283 | break;
|
| nkeynes@359 | 1284 | case 0x8:
|
| nkeynes@359 | 1285 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1286 | case 0x0:
|
| nkeynes@359 | 1287 | { /* SHLL2 Rn */
|
| nkeynes@359 | 1288 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1289 | sh4r.r[Rn] <<= 2;
|
| nkeynes@359 | 1290 | }
|
| nkeynes@359 | 1291 | break;
|
| nkeynes@359 | 1292 | case 0x1:
|
| nkeynes@359 | 1293 | { /* SHLL8 Rn */
|
| nkeynes@359 | 1294 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1295 | sh4r.r[Rn] <<= 8;
|
| nkeynes@359 | 1296 | }
|
| nkeynes@359 | 1297 | break;
|
| nkeynes@359 | 1298 | case 0x2:
|
| nkeynes@359 | 1299 | { /* SHLL16 Rn */
|
| nkeynes@359 | 1300 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1301 | sh4r.r[Rn] <<= 16;
|
| nkeynes@359 | 1302 | }
|
| nkeynes@359 | 1303 | break;
|
| nkeynes@359 | 1304 | default:
|
| nkeynes@359 | 1305 | UNDEF();
|
| nkeynes@359 | 1306 | break;
|
| nkeynes@359 | 1307 | }
|
| nkeynes@359 | 1308 | break;
|
| nkeynes@359 | 1309 | case 0x9:
|
| nkeynes@359 | 1310 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1311 | case 0x0:
|
| nkeynes@359 | 1312 | { /* SHLR2 Rn */
|
| nkeynes@359 | 1313 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1314 | sh4r.r[Rn] >>= 2;
|
| nkeynes@359 | 1315 | }
|
| nkeynes@359 | 1316 | break;
|
| nkeynes@359 | 1317 | case 0x1:
|
| nkeynes@359 | 1318 | { /* SHLR8 Rn */
|
| nkeynes@359 | 1319 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1320 | sh4r.r[Rn] >>= 8;
|
| nkeynes@359 | 1321 | }
|
| nkeynes@359 | 1322 | break;
|
| nkeynes@359 | 1323 | case 0x2:
|
| nkeynes@359 | 1324 | { /* SHLR16 Rn */
|
| nkeynes@359 | 1325 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1326 | sh4r.r[Rn] >>= 16;
|
| nkeynes@359 | 1327 | }
|
| nkeynes@359 | 1328 | break;
|
| nkeynes@359 | 1329 | default:
|
| nkeynes@359 | 1330 | UNDEF();
|
| nkeynes@359 | 1331 | break;
|
| nkeynes@359 | 1332 | }
|
| nkeynes@359 | 1333 | break;
|
| nkeynes@359 | 1334 | case 0xA:
|
| nkeynes@359 | 1335 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1336 | case 0x0:
|
| nkeynes@359 | 1337 | { /* LDS Rm, MACH */
|
| nkeynes@359 | 1338 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1339 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
| nkeynes@359 | 1340 | (((uint64_t)sh4r.r[Rm])<<32);
|
| nkeynes@359 | 1341 | }
|
| nkeynes@359 | 1342 | break;
|
| nkeynes@359 | 1343 | case 0x1:
|
| nkeynes@359 | 1344 | { /* LDS Rm, MACL */
|
| nkeynes@359 | 1345 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1346 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1347 | (uint64_t)((uint32_t)(sh4r.r[Rm]));
|
| nkeynes@359 | 1348 | }
|
| nkeynes@359 | 1349 | break;
|
| nkeynes@359 | 1350 | case 0x2:
|
| nkeynes@359 | 1351 | { /* LDS Rm, PR */
|
| nkeynes@359 | 1352 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1353 | sh4r.pr = sh4r.r[Rm];
|
| nkeynes@359 | 1354 | }
|
| nkeynes@359 | 1355 | break;
|
| nkeynes@359 | 1356 | case 0x3:
|
| nkeynes@359 | 1357 | { /* LDC Rm, SGR */
|
| nkeynes@359 | 1358 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1359 | CHECKPRIV();
|
| nkeynes@359 | 1360 | sh4r.sgr = sh4r.r[Rm];
|
| nkeynes@359 | 1361 | }
|
| nkeynes@359 | 1362 | break;
|
| nkeynes@359 | 1363 | case 0x5:
|
| nkeynes@359 | 1364 | { /* LDS Rm, FPUL */
|
| nkeynes@359 | 1365 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1366 | sh4r.fpul = sh4r.r[Rm];
|
| nkeynes@359 | 1367 | }
|
| nkeynes@359 | 1368 | break;
|
| nkeynes@359 | 1369 | case 0x6:
|
| nkeynes@359 | 1370 | { /* LDS Rm, FPSCR */
|
| nkeynes@359 | 1371 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@374 | 1372 | sh4r.fpscr = sh4r.r[Rm];
|
| nkeynes@374 | 1373 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 1374 | }
|
| nkeynes@359 | 1375 | break;
|
| nkeynes@359 | 1376 | case 0xF:
|
| nkeynes@359 | 1377 | { /* LDC Rm, DBR */
|
| nkeynes@359 | 1378 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1379 | CHECKPRIV();
|
| nkeynes@359 | 1380 | sh4r.dbr = sh4r.r[Rm];
|
| nkeynes@359 | 1381 | }
|
| nkeynes@359 | 1382 | break;
|
| nkeynes@359 | 1383 | default:
|
| nkeynes@359 | 1384 | UNDEF();
|
| nkeynes@359 | 1385 | break;
|
| nkeynes@359 | 1386 | }
|
| nkeynes@359 | 1387 | break;
|
| nkeynes@359 | 1388 | case 0xB:
|
| nkeynes@359 | 1389 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1390 | case 0x0:
|
| nkeynes@359 | 1391 | { /* JSR @Rn */
|
| nkeynes@359 | 1392 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1393 | CHECKDEST( sh4r.r[Rn] );
|
| nkeynes@359 | 1394 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1395 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1396 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1397 | sh4r.new_pc = sh4r.r[Rn];
|
| nkeynes@359 | 1398 | sh4r.pr = pc + 4;
|
| nkeynes@359 | 1399 | TRACE_CALL( pc, sh4r.new_pc );
|
| nkeynes@359 | 1400 | return TRUE;
|
| nkeynes@359 | 1401 | }
|
| nkeynes@359 | 1402 | break;
|
| nkeynes@359 | 1403 | case 0x1:
|
| nkeynes@359 | 1404 | { /* TAS.B @Rn */
|
| nkeynes@359 | 1405 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1406 | tmp = MEM_READ_BYTE( sh4r.r[Rn] );
|
| nkeynes@359 | 1407 | sh4r.t = ( tmp == 0 ? 1 : 0 );
|
| nkeynes@359 | 1408 | MEM_WRITE_BYTE( sh4r.r[Rn], tmp | 0x80 );
|
| nkeynes@359 | 1409 | }
|
| nkeynes@359 | 1410 | break;
|
| nkeynes@359 | 1411 | case 0x2:
|
| nkeynes@359 | 1412 | { /* JMP @Rn */
|
| nkeynes@359 | 1413 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1414 | CHECKDEST( sh4r.r[Rn] );
|
| nkeynes@359 | 1415 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1416 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1417 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1418 | sh4r.new_pc = sh4r.r[Rn];
|
| nkeynes@359 | 1419 | return TRUE;
|
| nkeynes@359 | 1420 | }
|
| nkeynes@359 | 1421 | break;
|
| nkeynes@359 | 1422 | default:
|
| nkeynes@359 | 1423 | UNDEF();
|
| nkeynes@359 | 1424 | break;
|
| nkeynes@359 | 1425 | }
|
| nkeynes@359 | 1426 | break;
|
| nkeynes@359 | 1427 | case 0xC:
|
| nkeynes@359 | 1428 | { /* SHAD Rm, Rn */
|
| nkeynes@359 | 1429 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1430 | tmp = sh4r.r[Rm];
|
| nkeynes@359 | 1431 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
| nkeynes@359 | 1432 | else if( (tmp & 0x1F) == 0 )
|
| nkeynes@359 | 1433 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 31;
|
| nkeynes@359 | 1434 | else
|
| nkeynes@359 | 1435 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> (((~sh4r.r[Rm]) & 0x1F)+1);
|
| nkeynes@359 | 1436 | }
|
| nkeynes@359 | 1437 | break;
|
| nkeynes@359 | 1438 | case 0xD:
|
| nkeynes@359 | 1439 | { /* SHLD Rm, Rn */
|
| nkeynes@359 | 1440 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1441 | tmp = sh4r.r[Rm];
|
| nkeynes@359 | 1442 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
| nkeynes@359 | 1443 | else if( (tmp & 0x1F) == 0 ) sh4r.r[Rn] = 0;
|
| nkeynes@359 | 1444 | else sh4r.r[Rn] >>= (((~tmp) & 0x1F)+1);
|
| nkeynes@359 | 1445 | }
|
| nkeynes@359 | 1446 | break;
|
| nkeynes@359 | 1447 | case 0xE:
|
| nkeynes@359 | 1448 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 1449 | case 0x0:
|
| nkeynes@359 | 1450 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 1451 | case 0x0:
|
| nkeynes@359 | 1452 | { /* LDC Rm, SR */
|
| nkeynes@359 | 1453 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1454 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1455 | CHECKPRIV();
|
| nkeynes@374 | 1456 | sh4_write_sr( sh4r.r[Rm] );
|
| nkeynes@359 | 1457 | }
|
| nkeynes@359 | 1458 | break;
|
| nkeynes@359 | 1459 | case 0x1:
|
| nkeynes@359 | 1460 | { /* LDC Rm, GBR */
|
| nkeynes@359 | 1461 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1462 | sh4r.gbr = sh4r.r[Rm];
|
| nkeynes@359 | 1463 | }
|
| nkeynes@359 | 1464 | break;
|
| nkeynes@359 | 1465 | case 0x2:
|
| nkeynes@359 | 1466 | { /* LDC Rm, VBR */
|
| nkeynes@359 | 1467 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1468 | CHECKPRIV();
|
| nkeynes@359 | 1469 | sh4r.vbr = sh4r.r[Rm];
|
| nkeynes@359 | 1470 | }
|
| nkeynes@359 | 1471 | break;
|
| nkeynes@359 | 1472 | case 0x3:
|
| nkeynes@359 | 1473 | { /* LDC Rm, SSR */
|
| nkeynes@359 | 1474 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1475 | CHECKPRIV();
|
| nkeynes@359 | 1476 | sh4r.ssr = sh4r.r[Rm];
|
| nkeynes@359 | 1477 | }
|
| nkeynes@359 | 1478 | break;
|
| nkeynes@359 | 1479 | case 0x4:
|
| nkeynes@359 | 1480 | { /* LDC Rm, SPC */
|
| nkeynes@359 | 1481 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1482 | CHECKPRIV();
|
| nkeynes@359 | 1483 | sh4r.spc = sh4r.r[Rm];
|
| nkeynes@359 | 1484 | }
|
| nkeynes@359 | 1485 | break;
|
| nkeynes@359 | 1486 | default:
|
| nkeynes@359 | 1487 | UNDEF();
|
| nkeynes@359 | 1488 | break;
|
| nkeynes@359 | 1489 | }
|
| nkeynes@359 | 1490 | break;
|
| nkeynes@359 | 1491 | case 0x1:
|
| nkeynes@359 | 1492 | { /* LDC Rm, Rn_BANK */
|
| nkeynes@359 | 1493 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 1494 | CHECKPRIV();
|
| nkeynes@359 | 1495 | sh4r.r_bank[Rn_BANK] = sh4r.r[Rm];
|
| nkeynes@359 | 1496 | }
|
| nkeynes@359 | 1497 | break;
|
| nkeynes@359 | 1498 | }
|
| nkeynes@359 | 1499 | break;
|
| nkeynes@359 | 1500 | case 0xF:
|
| nkeynes@359 | 1501 | { /* MAC.W @Rm+, @Rn+ */
|
| nkeynes@359 | 1502 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1503 | CHECKRALIGN16( sh4r.r[Rn] );
|
| nkeynes@359 | 1504 | CHECKRALIGN16( sh4r.r[Rm] );
|
| nkeynes@359 | 1505 | int32_t stmp = SIGNEXT16(MEM_READ_WORD(sh4r.r[Rn]));
|
| nkeynes@359 | 1506 | sh4r.r[Rn] += 2;
|
| nkeynes@359 | 1507 | stmp = stmp * SIGNEXT16(MEM_READ_WORD(sh4r.r[Rm]));
|
| nkeynes@359 | 1508 | sh4r.r[Rm] += 2;
|
| nkeynes@359 | 1509 | if( sh4r.s ) {
|
| nkeynes@359 | 1510 | int64_t tmpl = (int64_t)((int32_t)sh4r.mac) + (int64_t)stmp;
|
| nkeynes@359 | 1511 | if( tmpl > (int64_t)0x000000007FFFFFFFLL ) {
|
| nkeynes@359 | 1512 | sh4r.mac = 0x000000017FFFFFFFLL;
|
| nkeynes@359 | 1513 | } else if( tmpl < (int64_t)0xFFFFFFFF80000000LL ) {
|
| nkeynes@359 | 1514 | sh4r.mac = 0x0000000180000000LL;
|
| nkeynes@359 | 1515 | } else {
|
| nkeynes@359 | 1516 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1517 | ((uint32_t)(sh4r.mac + stmp));
|
| nkeynes@359 | 1518 | }
|
| nkeynes@359 | 1519 | } else {
|
| nkeynes@359 | 1520 | sh4r.mac += SIGNEXT32(stmp);
|
| nkeynes@359 | 1521 | }
|
| nkeynes@359 | 1522 | }
|
| nkeynes@359 | 1523 | break;
|
| nkeynes@359 | 1524 | }
|
| nkeynes@359 | 1525 | break;
|
| nkeynes@359 | 1526 | case 0x5:
|
| nkeynes@359 | 1527 | { /* MOV.L @(disp, Rm), Rn */
|
| nkeynes@359 | 1528 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
| nkeynes@359 | 1529 | tmp = sh4r.r[Rm] + disp;
|
| nkeynes@359 | 1530 | CHECKRALIGN32( tmp );
|
| nkeynes@359 | 1531 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1532 | }
|
| nkeynes@359 | 1533 | break;
|
| nkeynes@359 | 1534 | case 0x6:
|
| nkeynes@359 | 1535 | switch( ir&0xF ) {
|
| nkeynes@359 | 1536 | case 0x0:
|
| nkeynes@359 | 1537 | { /* MOV.B @Rm, Rn */
|
| nkeynes@359 | 1538 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1539 | sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] );
|
| nkeynes@359 | 1540 | }
|
| nkeynes@359 | 1541 | break;
|
| nkeynes@359 | 1542 | case 0x1:
|
| nkeynes@359 | 1543 | { /* MOV.W @Rm, Rn */
|
| nkeynes@359 | 1544 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1545 | CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] );
|
| nkeynes@359 | 1546 | }
|
| nkeynes@359 | 1547 | break;
|
| nkeynes@359 | 1548 | case 0x2:
|
| nkeynes@359 | 1549 | { /* MOV.L @Rm, Rn */
|
| nkeynes@359 | 1550 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1551 | CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1552 | }
|
| nkeynes@359 | 1553 | break;
|
| nkeynes@359 | 1554 | case 0x3:
|
| nkeynes@359 | 1555 | { /* MOV Rm, Rn */
|
| nkeynes@359 | 1556 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1557 | sh4r.r[Rn] = sh4r.r[Rm];
|
| nkeynes@359 | 1558 | }
|
| nkeynes@359 | 1559 | break;
|
| nkeynes@359 | 1560 | case 0x4:
|
| nkeynes@359 | 1561 | { /* MOV.B @Rm+, Rn */
|
| nkeynes@359 | 1562 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1563 | sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); sh4r.r[Rm] ++;
|
| nkeynes@359 | 1564 | }
|
| nkeynes@359 | 1565 | break;
|
| nkeynes@359 | 1566 | case 0x5:
|
| nkeynes@359 | 1567 | { /* MOV.W @Rm+, Rn */
|
| nkeynes@359 | 1568 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1569 | CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); sh4r.r[Rm] += 2;
|
| nkeynes@359 | 1570 | }
|
| nkeynes@359 | 1571 | break;
|
| nkeynes@359 | 1572 | case 0x6:
|
| nkeynes@359 | 1573 | { /* MOV.L @Rm+, Rn */
|
| nkeynes@359 | 1574 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1575 | CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1576 | }
|
| nkeynes@359 | 1577 | break;
|
| nkeynes@359 | 1578 | case 0x7:
|
| nkeynes@359 | 1579 | { /* NOT Rm, Rn */
|
| nkeynes@359 | 1580 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1581 | sh4r.r[Rn] = ~sh4r.r[Rm];
|
| nkeynes@359 | 1582 | }
|
| nkeynes@359 | 1583 | break;
|
| nkeynes@359 | 1584 | case 0x8:
|
| nkeynes@359 | 1585 | { /* SWAP.B Rm, Rn */
|
| nkeynes@359 | 1586 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1587 | sh4r.r[Rn] = (sh4r.r[Rm]&0xFFFF0000) | ((sh4r.r[Rm]&0x0000FF00)>>8) | ((sh4r.r[Rm]&0x000000FF)<<8);
|
| nkeynes@359 | 1588 | }
|
| nkeynes@359 | 1589 | break;
|
| nkeynes@359 | 1590 | case 0x9:
|
| nkeynes@359 | 1591 | { /* SWAP.W Rm, Rn */
|
| nkeynes@359 | 1592 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1593 | sh4r.r[Rn] = (sh4r.r[Rm]>>16) | (sh4r.r[Rm]<<16);
|
| nkeynes@359 | 1594 | }
|
| nkeynes@359 | 1595 | break;
|
| nkeynes@359 | 1596 | case 0xA:
|
| nkeynes@359 | 1597 | { /* NEGC Rm, Rn */
|
| nkeynes@359 | 1598 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1599 | tmp = 0 - sh4r.r[Rm];
|
| nkeynes@359 | 1600 | sh4r.r[Rn] = tmp - sh4r.t;
|
| nkeynes@359 | 1601 | sh4r.t = ( 0<tmp || tmp<sh4r.r[Rn] ? 1 : 0 );
|
| nkeynes@359 | 1602 | }
|
| nkeynes@359 | 1603 | break;
|
| nkeynes@359 | 1604 | case 0xB:
|
| nkeynes@359 | 1605 | { /* NEG Rm, Rn */
|
| nkeynes@359 | 1606 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1607 | sh4r.r[Rn] = 0 - sh4r.r[Rm];
|
| nkeynes@359 | 1608 | }
|
| nkeynes@359 | 1609 | break;
|
| nkeynes@359 | 1610 | case 0xC:
|
| nkeynes@359 | 1611 | { /* EXTU.B Rm, Rn */
|
| nkeynes@359 | 1612 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1613 | sh4r.r[Rn] = sh4r.r[Rm]&0x000000FF;
|
| nkeynes@359 | 1614 | }
|
| nkeynes@359 | 1615 | break;
|
| nkeynes@359 | 1616 | case 0xD:
|
| nkeynes@359 | 1617 | { /* EXTU.W Rm, Rn */
|
| nkeynes@359 | 1618 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1619 | sh4r.r[Rn] = sh4r.r[Rm]&0x0000FFFF;
|
| nkeynes@359 | 1620 | }
|
| nkeynes@359 | 1621 | break;
|
| nkeynes@359 | 1622 | case 0xE:
|
| nkeynes@359 | 1623 | { /* EXTS.B Rm, Rn */
|
| nkeynes@359 | 1624 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1625 | sh4r.r[Rn] = SIGNEXT8( sh4r.r[Rm]&0x000000FF );
|
| nkeynes@359 | 1626 | }
|
| nkeynes@359 | 1627 | break;
|
| nkeynes@359 | 1628 | case 0xF:
|
| nkeynes@359 | 1629 | { /* EXTS.W Rm, Rn */
|
| nkeynes@359 | 1630 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1631 | sh4r.r[Rn] = SIGNEXT16( sh4r.r[Rm]&0x0000FFFF );
|
| nkeynes@359 | 1632 | }
|
| nkeynes@359 | 1633 | break;
|
| nkeynes@359 | 1634 | }
|
| nkeynes@359 | 1635 | break;
|
| nkeynes@359 | 1636 | case 0x7:
|
| nkeynes@359 | 1637 | { /* ADD #imm, Rn */
|
| nkeynes@359 | 1638 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1639 | sh4r.r[Rn] += imm;
|
| nkeynes@359 | 1640 | }
|
| nkeynes@359 | 1641 | break;
|
| nkeynes@359 | 1642 | case 0x8:
|
| nkeynes@359 | 1643 | switch( (ir&0xF00) >> 8 ) {
|
| nkeynes@359 | 1644 | case 0x0:
|
| nkeynes@359 | 1645 | { /* MOV.B R0, @(disp, Rn) */
|
| nkeynes@359 | 1646 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
| nkeynes@359 | 1647 | MEM_WRITE_BYTE( sh4r.r[Rn] + disp, R0 );
|
| nkeynes@359 | 1648 | }
|
| nkeynes@359 | 1649 | break;
|
| nkeynes@359 | 1650 | case 0x1:
|
| nkeynes@359 | 1651 | { /* MOV.W R0, @(disp, Rn) */
|
| nkeynes@359 | 1652 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
| nkeynes@359 | 1653 | tmp = sh4r.r[Rn] + disp;
|
| nkeynes@359 | 1654 | CHECKWALIGN16( tmp );
|
| nkeynes@359 | 1655 | MEM_WRITE_WORD( tmp, R0 );
|
| nkeynes@359 | 1656 | }
|
| nkeynes@359 | 1657 | break;
|
| nkeynes@359 | 1658 | case 0x4:
|
| nkeynes@359 | 1659 | { /* MOV.B @(disp, Rm), R0 */
|
| nkeynes@359 | 1660 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
| nkeynes@359 | 1661 | R0 = MEM_READ_BYTE( sh4r.r[Rm] + disp );
|
| nkeynes@359 | 1662 | }
|
| nkeynes@359 | 1663 | break;
|
| nkeynes@359 | 1664 | case 0x5:
|
| nkeynes@359 | 1665 | { /* MOV.W @(disp, Rm), R0 */
|
| nkeynes@359 | 1666 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
| nkeynes@359 | 1667 | tmp = sh4r.r[Rm] + disp;
|
| nkeynes@359 | 1668 | CHECKRALIGN16( tmp );
|
| nkeynes@359 | 1669 | R0 = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1670 | }
|
| nkeynes@359 | 1671 | break;
|
| nkeynes@359 | 1672 | case 0x8:
|
| nkeynes@359 | 1673 | { /* CMP/EQ #imm, R0 */
|
| nkeynes@359 | 1674 | int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1675 | sh4r.t = ( R0 == imm ? 1 : 0 );
|
| nkeynes@359 | 1676 | }
|
| nkeynes@359 | 1677 | break;
|
| nkeynes@359 | 1678 | case 0x9:
|
| nkeynes@359 | 1679 | { /* BT disp */
|
| nkeynes@359 | 1680 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1681 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1682 | if( sh4r.t ) {
|
| nkeynes@359 | 1683 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@359 | 1684 | sh4r.pc += disp + 4;
|
| nkeynes@359 | 1685 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@27 | 1686 | return TRUE;
|
| nkeynes@359 | 1687 | }
|
| nkeynes@359 | 1688 | }
|
| nkeynes@359 | 1689 | break;
|
| nkeynes@359 | 1690 | case 0xB:
|
| nkeynes@359 | 1691 | { /* BF disp */
|
| nkeynes@359 | 1692 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1693 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1694 | if( !sh4r.t ) {
|
| nkeynes@359 | 1695 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@359 | 1696 | sh4r.pc += disp + 4;
|
| nkeynes@359 | 1697 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@359 | 1698 | return TRUE;
|
| nkeynes@359 | 1699 | }
|
| nkeynes@359 | 1700 | }
|
| nkeynes@359 | 1701 | break;
|
| nkeynes@359 | 1702 | case 0xD:
|
| nkeynes@359 | 1703 | { /* BT/S disp */
|
| nkeynes@359 | 1704 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1705 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1706 | if( sh4r.t ) {
|
| nkeynes@359 | 1707 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@2 | 1708 | sh4r.in_delay_slot = 1;
|
| nkeynes@1 | 1709 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1710 | sh4r.new_pc = pc + disp + 4;
|
| nkeynes@359 | 1711 | sh4r.in_delay_slot = 1;
|
| nkeynes@27 | 1712 | return TRUE;
|
| nkeynes@359 | 1713 | }
|
| nkeynes@359 | 1714 | }
|
| nkeynes@359 | 1715 | break;
|
| nkeynes@359 | 1716 | case 0xF:
|
| nkeynes@359 | 1717 | { /* BF/S disp */
|
| nkeynes@359 | 1718 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1719 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1720 | if( !sh4r.t ) {
|
| nkeynes@359 | 1721 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@2 | 1722 | sh4r.in_delay_slot = 1;
|
| nkeynes@1 | 1723 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1724 | sh4r.new_pc = pc + disp + 4;
|
| nkeynes@27 | 1725 | return TRUE;
|
| nkeynes@359 | 1726 | }
|
| nkeynes@359 | 1727 | }
|
| nkeynes@359 | 1728 | break;
|
| nkeynes@359 | 1729 | default:
|
| nkeynes@359 | 1730 | UNDEF();
|
| nkeynes@359 | 1731 | break;
|
| nkeynes@359 | 1732 | }
|
| nkeynes@359 | 1733 | break;
|
| nkeynes@359 | 1734 | case 0x9:
|
| nkeynes@359 | 1735 | { /* MOV.W @(disp, PC), Rn */
|
| nkeynes@359 | 1736 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1737 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1738 | tmp = pc + 4 + disp;
|
| nkeynes@359 | 1739 | sh4r.r[Rn] = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1740 | }
|
| nkeynes@359 | 1741 | break;
|
| nkeynes@359 | 1742 | case 0xA:
|
| nkeynes@359 | 1743 | { /* BRA disp */
|
| nkeynes@359 | 1744 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
| nkeynes@359 | 1745 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1746 | CHECKDEST( sh4r.pc + disp + 4 );
|
| nkeynes@359 | 1747 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1748 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1749 | sh4r.new_pc = pc + 4 + disp;
|
| nkeynes@359 | 1750 | return TRUE;
|
| nkeynes@359 | 1751 | }
|
| nkeynes@359 | 1752 | break;
|
| nkeynes@359 | 1753 | case 0xB:
|
| nkeynes@359 | 1754 | { /* BSR disp */
|
| nkeynes@359 | 1755 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
| nkeynes@359 | 1756 | CHECKDEST( sh4r.pc + disp + 4 );
|
| nkeynes@359 | 1757 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1758 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1759 | sh4r.pr = pc + 4;
|
| nkeynes@359 | 1760 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1761 | sh4r.new_pc = pc + 4 + disp;
|
| nkeynes@359 | 1762 | TRACE_CALL( pc, sh4r.new_pc );
|
| nkeynes@359 | 1763 | return TRUE;
|
| nkeynes@359 | 1764 | }
|
| nkeynes@359 | 1765 | break;
|
| nkeynes@359 | 1766 | case 0xC:
|
| nkeynes@359 | 1767 | switch( (ir&0xF00) >> 8 ) {
|
| nkeynes@359 | 1768 | case 0x0:
|
| nkeynes@359 | 1769 | { /* MOV.B R0, @(disp, GBR) */
|
| nkeynes@359 | 1770 | uint32_t disp = (ir&0xFF);
|
| nkeynes@359 | 1771 | MEM_WRITE_BYTE( sh4r.gbr + disp, R0 );
|
| nkeynes@359 | 1772 | }
|
| nkeynes@359 | 1773 | break;
|
| nkeynes@359 | 1774 | case 0x1:
|
| nkeynes@359 | 1775 | { /* MOV.W R0, @(disp, GBR) */
|
| nkeynes@359 | 1776 | uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1777 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1778 | CHECKWALIGN16( tmp );
|
| nkeynes@359 | 1779 | MEM_WRITE_WORD( tmp, R0 );
|
| nkeynes@359 | 1780 | }
|
| nkeynes@359 | 1781 | break;
|
| nkeynes@359 | 1782 | case 0x2:
|
| nkeynes@359 | 1783 | { /* MOV.L R0, @(disp, GBR) */
|
| nkeynes@359 | 1784 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1785 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1786 | CHECKWALIGN32( tmp );
|
| nkeynes@359 | 1787 | MEM_WRITE_LONG( tmp, R0 );
|
| nkeynes@359 | 1788 | }
|
| nkeynes@359 | 1789 | break;
|
| nkeynes@359 | 1790 | case 0x3:
|
| nkeynes@359 | 1791 | { /* TRAPA #imm */
|
| nkeynes@359 | 1792 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1793 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1794 | MMIO_WRITE( MMU, TRA, imm<<2 );
|
| nkeynes@359 | 1795 | sh4r.pc += 2;
|
| nkeynes@359 | 1796 | sh4_raise_exception( EXC_TRAP );
|
| nkeynes@359 | 1797 | }
|
| nkeynes@359 | 1798 | break;
|
| nkeynes@359 | 1799 | case 0x4:
|
| nkeynes@359 | 1800 | { /* MOV.B @(disp, GBR), R0 */
|
| nkeynes@359 | 1801 | uint32_t disp = (ir&0xFF);
|
| nkeynes@359 | 1802 | R0 = MEM_READ_BYTE( sh4r.gbr + disp );
|
| nkeynes@359 | 1803 | }
|
| nkeynes@359 | 1804 | break;
|
| nkeynes@359 | 1805 | case 0x5:
|
| nkeynes@359 | 1806 | { /* MOV.W @(disp, GBR), R0 */
|
| nkeynes@359 | 1807 | uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1808 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1809 | CHECKRALIGN16( tmp );
|
| nkeynes@359 | 1810 | R0 = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1811 | }
|
| nkeynes@359 | 1812 | break;
|
| nkeynes@359 | 1813 | case 0x6:
|
| nkeynes@359 | 1814 | { /* MOV.L @(disp, GBR), R0 */
|
| nkeynes@359 | 1815 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1816 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1817 | CHECKRALIGN32( tmp );
|
| nkeynes@359 | 1818 | R0 = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1819 | }
|
| nkeynes@359 | 1820 | break;
|
| nkeynes@359 | 1821 | case 0x7:
|
| nkeynes@359 | 1822 | { /* MOVA @(disp, PC), R0 */
|
| nkeynes@359 | 1823 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1824 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1825 | R0 = (pc&0xFFFFFFFC) + disp + 4;
|
| nkeynes@359 | 1826 | }
|
| nkeynes@359 | 1827 | break;
|
| nkeynes@359 | 1828 | case 0x8:
|
| nkeynes@359 | 1829 | { /* TST #imm, R0 */
|
| nkeynes@359 | 1830 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1831 | sh4r.t = (R0 & imm ? 0 : 1);
|
| nkeynes@359 | 1832 | }
|
| nkeynes@359 | 1833 | break;
|
| nkeynes@359 | 1834 | case 0x9:
|
| nkeynes@359 | 1835 | { /* AND #imm, R0 */
|
| nkeynes@359 | 1836 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1837 | R0 &= imm;
|
| nkeynes@359 | 1838 | }
|
| nkeynes@359 | 1839 | break;
|
| nkeynes@359 | 1840 | case 0xA:
|
| nkeynes@359 | 1841 | { /* XOR #imm, R0 */
|
| nkeynes@359 | 1842 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1843 | R0 ^= imm;
|
| nkeynes@359 | 1844 | }
|
| nkeynes@359 | 1845 | break;
|
| nkeynes@359 | 1846 | case 0xB:
|
| nkeynes@359 | 1847 | { /* OR #imm, R0 */
|
| nkeynes@359 | 1848 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1849 | R0 |= imm;
|
| nkeynes@359 | 1850 | }
|
| nkeynes@359 | 1851 | break;
|
| nkeynes@359 | 1852 | case 0xC:
|
| nkeynes@359 | 1853 | { /* TST.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1854 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1855 | sh4r.t = ( MEM_READ_BYTE(R0 + sh4r.gbr) & imm ? 0 : 1 );
|
| nkeynes@359 | 1856 | }
|
| nkeynes@359 | 1857 | break;
|
| nkeynes@359 | 1858 | case 0xD:
|
| nkeynes@359 | 1859 | { /* AND.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1860 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1861 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm & MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1862 | }
|
| nkeynes@359 | 1863 | break;
|
| nkeynes@359 | 1864 | case 0xE:
|
| nkeynes@359 | 1865 | { /* XOR.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1866 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1867 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm ^ MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1868 | }
|
| nkeynes@359 | 1869 | break;
|
| nkeynes@359 | 1870 | case 0xF:
|
| nkeynes@359 | 1871 | { /* OR.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1872 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1873 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm | MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1874 | }
|
| nkeynes@359 | 1875 | break;
|
| nkeynes@359 | 1876 | }
|
| nkeynes@359 | 1877 | break;
|
| nkeynes@359 | 1878 | case 0xD:
|
| nkeynes@359 | 1879 | { /* MOV.L @(disp, PC), Rn */
|
| nkeynes@359 | 1880 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1881 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1882 | tmp = (pc&0xFFFFFFFC) + disp + 4;
|
| nkeynes@359 | 1883 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1884 | }
|
| nkeynes@359 | 1885 | break;
|
| nkeynes@359 | 1886 | case 0xE:
|
| nkeynes@359 | 1887 | { /* MOV #imm, Rn */
|
| nkeynes@359 | 1888 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1889 | sh4r.r[Rn] = imm;
|
| nkeynes@359 | 1890 | }
|
| nkeynes@359 | 1891 | break;
|
| nkeynes@359 | 1892 | case 0xF:
|
| nkeynes@359 | 1893 | switch( ir&0xF ) {
|
| nkeynes@359 | 1894 | case 0x0:
|
| nkeynes@359 | 1895 | { /* FADD FRm, FRn */
|
| nkeynes@359 | 1896 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1897 | CHECKFPUEN();
|
| nkeynes@359 | 1898 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1899 | DR(FRn) += DR(FRm);
|
| nkeynes@359 | 1900 | } else {
|
| nkeynes@359 | 1901 | FR(FRn) += FR(FRm);
|
| nkeynes@359 | 1902 | }
|
| nkeynes@359 | 1903 | }
|
| nkeynes@359 | 1904 | break;
|
| nkeynes@359 | 1905 | case 0x1:
|
| nkeynes@359 | 1906 | { /* FSUB FRm, FRn */
|
| nkeynes@359 | 1907 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1908 | CHECKFPUEN();
|
| nkeynes@359 | 1909 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1910 | DR(FRn) -= DR(FRm);
|
| nkeynes@359 | 1911 | } else {
|
| nkeynes@359 | 1912 | FR(FRn) -= FR(FRm);
|
| nkeynes@359 | 1913 | }
|
| nkeynes@359 | 1914 | }
|
| nkeynes@359 | 1915 | break;
|
| nkeynes@359 | 1916 | case 0x2:
|
| nkeynes@359 | 1917 | { /* FMUL FRm, FRn */
|
| nkeynes@359 | 1918 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1919 | CHECKFPUEN();
|
| nkeynes@359 | 1920 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1921 | DR(FRn) *= DR(FRm);
|
| nkeynes@359 | 1922 | } else {
|
| nkeynes@359 | 1923 | FR(FRn) *= FR(FRm);
|
| nkeynes@359 | 1924 | }
|
| nkeynes@359 | 1925 | }
|
| nkeynes@359 | 1926 | break;
|
| nkeynes@359 | 1927 | case 0x3:
|
| nkeynes@359 | 1928 | { /* FDIV FRm, FRn */
|
| nkeynes@359 | 1929 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1930 | CHECKFPUEN();
|
| nkeynes@359 | 1931 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1932 | DR(FRn) /= DR(FRm);
|
| nkeynes@359 | 1933 | } else {
|
| nkeynes@359 | 1934 | FR(FRn) /= FR(FRm);
|
| nkeynes@359 | 1935 | }
|
| nkeynes@359 | 1936 | }
|
| nkeynes@359 | 1937 | break;
|
| nkeynes@359 | 1938 | case 0x4:
|
| nkeynes@359 | 1939 | { /* FCMP/EQ FRm, FRn */
|
| nkeynes@359 | 1940 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1941 | CHECKFPUEN();
|
| nkeynes@359 | 1942 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1943 | sh4r.t = ( DR(FRn) == DR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1944 | } else {
|
| nkeynes@359 | 1945 | sh4r.t = ( FR(FRn) == FR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1946 | }
|
| nkeynes@359 | 1947 | }
|
| nkeynes@359 | 1948 | break;
|
| nkeynes@359 | 1949 | case 0x5:
|
| nkeynes@359 | 1950 | { /* FCMP/GT FRm, FRn */
|
| nkeynes@359 | 1951 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1952 | CHECKFPUEN();
|
| nkeynes@359 | 1953 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1954 | sh4r.t = ( DR(FRn) > DR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1955 | } else {
|
| nkeynes@359 | 1956 | sh4r.t = ( FR(FRn) > FR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1957 | }
|
| nkeynes@359 | 1958 | }
|
| nkeynes@359 | 1959 | break;
|
| nkeynes@359 | 1960 | case 0x6:
|
| nkeynes@359 | 1961 | { /* FMOV @(R0, Rm), FRn */
|
| nkeynes@359 | 1962 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1963 | MEM_FP_READ( sh4r.r[Rm] + R0, FRn );
|
| nkeynes@359 | 1964 | }
|
| nkeynes@359 | 1965 | break;
|
| nkeynes@359 | 1966 | case 0x7:
|
| nkeynes@359 | 1967 | { /* FMOV FRm, @(R0, Rn) */
|
| nkeynes@359 | 1968 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1969 | MEM_FP_WRITE( sh4r.r[Rn] + R0, FRm );
|
| nkeynes@359 | 1970 | }
|
| nkeynes@359 | 1971 | break;
|
| nkeynes@359 | 1972 | case 0x8:
|
| nkeynes@359 | 1973 | { /* FMOV @Rm, FRn */
|
| nkeynes@359 | 1974 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1975 | MEM_FP_READ( sh4r.r[Rm], FRn );
|
| nkeynes@359 | 1976 | }
|
| nkeynes@359 | 1977 | break;
|
| nkeynes@359 | 1978 | case 0x9:
|
| nkeynes@359 | 1979 | { /* FMOV @Rm+, FRn */
|
| nkeynes@359 | 1980 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1981 | MEM_FP_READ( sh4r.r[Rm], FRn ); sh4r.r[Rm] += FP_WIDTH;
|
| nkeynes@359 | 1982 | }
|
| nkeynes@359 | 1983 | break;
|
| nkeynes@359 | 1984 | case 0xA:
|
| nkeynes@359 | 1985 | { /* FMOV FRm, @Rn */
|
| nkeynes@359 | 1986 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1987 | MEM_FP_WRITE( sh4r.r[Rn], FRm );
|
| nkeynes@359 | 1988 | }
|
| nkeynes@359 | 1989 | break;
|
| nkeynes@359 | 1990 | case 0xB:
|
| nkeynes@359 | 1991 | { /* FMOV FRm, @-Rn */
|
| nkeynes@359 | 1992 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1993 | sh4r.r[Rn] -= FP_WIDTH; MEM_FP_WRITE( sh4r.r[Rn], FRm );
|
| nkeynes@359 | 1994 | }
|
| nkeynes@359 | 1995 | break;
|
| nkeynes@359 | 1996 | case 0xC:
|
| nkeynes@359 | 1997 | { /* FMOV FRm, FRn */
|
| nkeynes@359 | 1998 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1999 | if( IS_FPU_DOUBLESIZE() )
|
| nkeynes@359 | 2000 | DR(FRn) = DR(FRm);
|
| nkeynes@359 | 2001 | else
|
| nkeynes@359 | 2002 | FR(FRn) = FR(FRm);
|
| nkeynes@359 | 2003 | }
|
| nkeynes@359 | 2004 | break;
|
| nkeynes@359 | 2005 | case 0xD:
|
| nkeynes@359 | 2006 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 2007 | case 0x0:
|
| nkeynes@359 | 2008 | { /* FSTS FPUL, FRn */
|
| nkeynes@359 | 2009 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2010 | CHECKFPUEN(); FR(FRn) = FPULf;
|
| nkeynes@359 | 2011 | }
|
| nkeynes@359 | 2012 | break;
|
| nkeynes@359 | 2013 | case 0x1:
|
| nkeynes@359 | 2014 | { /* FLDS FRm, FPUL */
|
| nkeynes@359 | 2015 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 2016 | CHECKFPUEN(); FPULf = FR(FRm);
|
| nkeynes@359 | 2017 | }
|
| nkeynes@359 | 2018 | break;
|
| nkeynes@359 | 2019 | case 0x2:
|
| nkeynes@359 | 2020 | { /* FLOAT FPUL, FRn */
|
| nkeynes@359 | 2021 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2022 | CHECKFPUEN();
|
| nkeynes@374 | 2023 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@374 | 2024 | if( FRn&1 ) { // No, really...
|
| nkeynes@374 | 2025 | dtmp = (double)FPULi;
|
| nkeynes@374 | 2026 | FR(FRn) = *(((float *)&dtmp)+1);
|
| nkeynes@374 | 2027 | } else {
|
| nkeynes@374 | 2028 | DRF(FRn>>1) = (double)FPULi;
|
| nkeynes@374 | 2029 | }
|
| nkeynes@374 | 2030 | } else {
|
| nkeynes@359 | 2031 | FR(FRn) = (float)FPULi;
|
| nkeynes@359 | 2032 | }
|
| nkeynes@374 | 2033 | }
|
| nkeynes@359 | 2034 | break;
|
| nkeynes@359 | 2035 | case 0x3:
|
| nkeynes@359 | 2036 | { /* FTRC FRm, FPUL */
|
| nkeynes@359 | 2037 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 2038 | CHECKFPUEN();
|
| nkeynes@359 | 2039 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@374 | 2040 | if( FRm&1 ) {
|
| nkeynes@374 | 2041 | dtmp = 0;
|
| nkeynes@374 | 2042 | *(((float *)&dtmp)+1) = FR(FRm);
|
| nkeynes@374 | 2043 | } else {
|
| nkeynes@374 | 2044 | dtmp = DRF(FRm>>1);
|
| nkeynes@374 | 2045 | }
|
| nkeynes@359 | 2046 | if( dtmp >= MAX_INTF )
|
| nkeynes@359 | 2047 | FPULi = MAX_INT;
|
| nkeynes@359 | 2048 | else if( dtmp <= MIN_INTF )
|
| nkeynes@359 | 2049 | FPULi = MIN_INT;
|
| nkeynes@359 | 2050 | else
|
| nkeynes@359 | 2051 | FPULi = (int32_t)dtmp;
|
| nkeynes@359 | 2052 | } else {
|
| nkeynes@359 | 2053 | ftmp = FR(FRm);
|
| nkeynes@359 | 2054 | if( ftmp >= MAX_INTF )
|
| nkeynes@359 | 2055 | FPULi = MAX_INT;
|
| nkeynes@359 | 2056 | else if( ftmp <= MIN_INTF )
|
| nkeynes@359 | 2057 | FPULi = MIN_INT;
|
| nkeynes@359 | 2058 | else
|
| nkeynes@359 | 2059 | FPULi = (int32_t)ftmp;
|
| nkeynes@359 | 2060 | }
|
| nkeynes@359 | 2061 | }
|
| nkeynes@359 | 2062 | break;
|
| nkeynes@359 | 2063 | case 0x4:
|
| nkeynes@359 | 2064 | { /* FNEG FRn */
|
| nkeynes@359 | 2065 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2066 | CHECKFPUEN();
|
| nkeynes@359 | 2067 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2068 | DR(FRn) = -DR(FRn);
|
| nkeynes@359 | 2069 | } else {
|
| nkeynes@359 | 2070 | FR(FRn) = -FR(FRn);
|
| nkeynes@359 | 2071 | }
|
| nkeynes@359 | 2072 | }
|
| nkeynes@359 | 2073 | break;
|
| nkeynes@359 | 2074 | case 0x5:
|
| nkeynes@359 | 2075 | { /* FABS FRn */
|
| nkeynes@359 | 2076 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2077 | CHECKFPUEN();
|
| nkeynes@359 | 2078 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2079 | DR(FRn) = fabs(DR(FRn));
|
| nkeynes@359 | 2080 | } else {
|
| nkeynes@359 | 2081 | FR(FRn) = fabsf(FR(FRn));
|
| nkeynes@359 | 2082 | }
|
| nkeynes@359 | 2083 | }
|
| nkeynes@359 | 2084 | break;
|
| nkeynes@359 | 2085 | case 0x6:
|
| nkeynes@359 | 2086 | { /* FSQRT FRn */
|
| nkeynes@359 | 2087 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2088 | CHECKFPUEN();
|
| nkeynes@359 | 2089 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2090 | DR(FRn) = sqrt(DR(FRn));
|
| nkeynes@359 | 2091 | } else {
|
| nkeynes@359 | 2092 | FR(FRn) = sqrtf(FR(FRn));
|
| nkeynes@359 | 2093 | }
|
| nkeynes@359 | 2094 | }
|
| nkeynes@359 | 2095 | break;
|
| nkeynes@359 | 2096 | case 0x7:
|
| nkeynes@359 | 2097 | { /* FSRRA FRn */
|
| nkeynes@359 | 2098 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2099 | CHECKFPUEN();
|
| nkeynes@359 | 2100 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2101 | FR(FRn) = 1.0/sqrtf(FR(FRn));
|
| nkeynes@359 | 2102 | }
|
| nkeynes@359 | 2103 | }
|
| nkeynes@359 | 2104 | break;
|
| nkeynes@359 | 2105 | case 0x8:
|
| nkeynes@359 | 2106 | { /* FLDI0 FRn */
|
| nkeynes@359 | 2107 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2108 | CHECKFPUEN();
|
| nkeynes@359 | 2109 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2110 | DR(FRn) = 0.0;
|
| nkeynes@359 | 2111 | } else {
|
| nkeynes@359 | 2112 | FR(FRn) = 0.0;
|
| nkeynes@359 | 2113 | }
|
| nkeynes@359 | 2114 | }
|
| nkeynes@359 | 2115 | break;
|
| nkeynes@359 | 2116 | case 0x9:
|
| nkeynes@359 | 2117 | { /* FLDI1 FRn */
|
| nkeynes@359 | 2118 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2119 | CHECKFPUEN();
|
| nkeynes@359 | 2120 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2121 | DR(FRn) = 1.0;
|
| nkeynes@359 | 2122 | } else {
|
| nkeynes@359 | 2123 | FR(FRn) = 1.0;
|
| nkeynes@359 | 2124 | }
|
| nkeynes@359 | 2125 | }
|
| nkeynes@359 | 2126 | break;
|
| nkeynes@359 | 2127 | case 0xA:
|
| nkeynes@359 | 2128 | { /* FCNVSD FPUL, FRn */
|
| nkeynes@359 | 2129 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2130 | CHECKFPUEN();
|
| nkeynes@359 | 2131 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@359 | 2132 | DR(FRn) = (double)FPULf;
|
| nkeynes@359 | 2133 | }
|
| nkeynes@359 | 2134 | }
|
| nkeynes@359 | 2135 | break;
|
| nkeynes@359 | 2136 | case 0xB:
|
| nkeynes@359 | 2137 | { /* FCNVDS FRm, FPUL */
|
| nkeynes@359 | 2138 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 2139 | CHECKFPUEN();
|
| nkeynes@359 | 2140 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@359 | 2141 | FPULf = (float)DR(FRm);
|
| nkeynes@359 | 2142 | }
|
| nkeynes@359 | 2143 | }
|
| nkeynes@359 | 2144 | break;
|
| nkeynes@359 | 2145 | case 0xE:
|
| nkeynes@359 | 2146 | { /* FIPR FVm, FVn */
|
| nkeynes@359 | 2147 | uint32_t FVn = ((ir>>10)&0x3); uint32_t FVm = ((ir>>8)&0x3);
|
| nkeynes@359 | 2148 | CHECKFPUEN();
|
| nkeynes@359 | 2149 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2150 | int tmp2 = FVn<<2;
|
| nkeynes@359 | 2151 | tmp = FVm<<2;
|
| nkeynes@359 | 2152 | FR(tmp2+3) = FR(tmp)*FR(tmp2) +
|
| nkeynes@359 | 2153 | FR(tmp+1)*FR(tmp2+1) +
|
| nkeynes@359 | 2154 | FR(tmp+2)*FR(tmp2+2) +
|
| nkeynes@359 | 2155 | FR(tmp+3)*FR(tmp2+3);
|
| nkeynes@359 | 2156 | }
|
| nkeynes@359 | 2157 | }
|
| nkeynes@359 | 2158 | break;
|
| nkeynes@359 | 2159 | case 0xF:
|
| nkeynes@359 | 2160 | switch( (ir&0x100) >> 8 ) {
|
| nkeynes@359 | 2161 | case 0x0:
|
| nkeynes@359 | 2162 | { /* FSCA FPUL, FRn */
|
| nkeynes@359 | 2163 | uint32_t FRn = ((ir>>9)&0x7)<<1;
|
| nkeynes@359 | 2164 | CHECKFPUEN();
|
| nkeynes@359 | 2165 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2166 | float angle = (((float)(FPULi&0xFFFF))/65536.0) * 2 * M_PI;
|
| nkeynes@359 | 2167 | FR(FRn) = sinf(angle);
|
| nkeynes@359 | 2168 | FR((FRn)+1) = cosf(angle);
|
| nkeynes@359 | 2169 | }
|
| nkeynes@359 | 2170 | }
|
| nkeynes@359 | 2171 | break;
|
| nkeynes@359 | 2172 | case 0x1:
|
| nkeynes@359 | 2173 | switch( (ir&0x200) >> 9 ) {
|
| nkeynes@359 | 2174 | case 0x0:
|
| nkeynes@359 | 2175 | { /* FTRV XMTRX, FVn */
|
| nkeynes@359 | 2176 | uint32_t FVn = ((ir>>10)&0x3);
|
| nkeynes@359 | 2177 | CHECKFPUEN();
|
| nkeynes@359 | 2178 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2179 | tmp = FVn<<2;
|
| nkeynes@374 | 2180 | float *xf = &sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 2181 | float fv[4] = { FR(tmp), FR(tmp+1), FR(tmp+2), FR(tmp+3) };
|
| nkeynes@374 | 2182 | FR(tmp) = xf[1] * fv[0] + xf[5]*fv[1] +
|
| nkeynes@374 | 2183 | xf[9]*fv[2] + xf[13]*fv[3];
|
| nkeynes@374 | 2184 | FR(tmp+1) = xf[0] * fv[0] + xf[4]*fv[1] +
|
| nkeynes@374 | 2185 | xf[8]*fv[2] + xf[12]*fv[3];
|
| nkeynes@374 | 2186 | FR(tmp+2) = xf[3] * fv[0] + xf[7]*fv[1] +
|
| nkeynes@374 | 2187 | xf[11]*fv[2] + xf[15]*fv[3];
|
| nkeynes@374 | 2188 | FR(tmp+3) = xf[2] * fv[0] + xf[6]*fv[1] +
|
| nkeynes@374 | 2189 | xf[10]*fv[2] + xf[14]*fv[3];
|
| nkeynes@359 | 2190 | }
|
| nkeynes@359 | 2191 | }
|
| nkeynes@359 | 2192 | break;
|
| nkeynes@359 | 2193 | case 0x1:
|
| nkeynes@359 | 2194 | switch( (ir&0xC00) >> 10 ) {
|
| nkeynes@359 | 2195 | case 0x0:
|
| nkeynes@359 | 2196 | { /* FSCHG */
|
| nkeynes@359 | 2197 | CHECKFPUEN(); sh4r.fpscr ^= FPSCR_SZ;
|
| nkeynes@359 | 2198 | }
|
| nkeynes@359 | 2199 | break;
|
| nkeynes@359 | 2200 | case 0x2:
|
| nkeynes@359 | 2201 | { /* FRCHG */
|
| nkeynes@374 | 2202 | CHECKFPUEN();
|
| nkeynes@374 | 2203 | sh4r.fpscr ^= FPSCR_FR;
|
| nkeynes@374 | 2204 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 2205 | }
|
| nkeynes@359 | 2206 | break;
|
| nkeynes@359 | 2207 | case 0x3:
|
| nkeynes@359 | 2208 | { /* UNDEF */
|
| nkeynes@359 | 2209 | UNDEF(ir);
|
| nkeynes@359 | 2210 | }
|
| nkeynes@359 | 2211 | break;
|
| nkeynes@359 | 2212 | default:
|
| nkeynes@359 | 2213 | UNDEF();
|
| nkeynes@359 | 2214 | break;
|
| nkeynes@359 | 2215 | }
|
| nkeynes@359 | 2216 | break;
|
| nkeynes@359 | 2217 | }
|
| nkeynes@359 | 2218 | break;
|
| nkeynes@359 | 2219 | }
|
| nkeynes@359 | 2220 | break;
|
| nkeynes@359 | 2221 | default:
|
| nkeynes@359 | 2222 | UNDEF();
|
| nkeynes@359 | 2223 | break;
|
| nkeynes@359 | 2224 | }
|
| nkeynes@359 | 2225 | break;
|
| nkeynes@359 | 2226 | case 0xE:
|
| nkeynes@359 | 2227 | { /* FMAC FR0, FRm, FRn */
|
| nkeynes@359 | 2228 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 2229 | CHECKFPUEN();
|
| nkeynes@359 | 2230 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2231 | DR(FRn) += DR(FRm)*DR(0);
|
| nkeynes@359 | 2232 | } else {
|
| nkeynes@359 | 2233 | FR(FRn) += FR(FRm)*FR(0);
|
| nkeynes@359 | 2234 | }
|
| nkeynes@359 | 2235 | }
|
| nkeynes@359 | 2236 | break;
|
| nkeynes@359 | 2237 | default:
|
| nkeynes@359 | 2238 | UNDEF();
|
| nkeynes@359 | 2239 | break;
|
| nkeynes@359 | 2240 | }
|
| nkeynes@359 | 2241 | break;
|
| nkeynes@359 | 2242 | }
|
| nkeynes@1 | 2243 |
|
| nkeynes@1 | 2244 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@1 | 2245 | sh4r.new_pc += 2;
|
| nkeynes@2 | 2246 | sh4r.in_delay_slot = 0;
|
| nkeynes@273 | 2247 | return TRUE;
|
| nkeynes@1 | 2248 | }
|
lxdream 0.9.1